SynGap Missense Server

Table of SynGAP1 Isoform α2 (UniProt Q96PV0-1) Missense Variants.

c.dna Variant SGM Consensus Domain ClinVar gnomAD ESM1b AlphaMissense REVEL FoldX Rosetta Foldetta PremPS PROVEAN PolyPhen-2 HumDiv PolyPhen-2 HumVar FATHMM SIFT PAM Physical SASA Normalized B-factor backbone Normalized B-factor sidechain SynGAP Structural Annotation DOI
Clinical Status Review Subm. ID Allele count Allele freq. LLR score Prediction Pathogenicity Class Optimized Score Prediction Average ΔΔG Prediction StdDev ΔΔG Prediction ΔΔG Prediction ΔΔG Prediction Score Prediction pph2_prob Prediction pph2_prob Prediction Nervous System Score Prediction Prediction Status Conservation Sequences PAM250 PAM120 Hydropathy Δ MW Δ Average Δ Δ StdDev Δ StdDev Secondary Tertiary bonds Inside out GAP-Ras interface At membrane No effect MD Alert Verdict Description
c.3125A>GQ1042RLikely BenignUncertain 26-33443677-A-G21.24e-6-2.928Likely Benign0.413AmbiguousLikely Benign0.300Likely Benign-1.39Neutral0.586Possibly Damaging0.120Benign5.48Benign0.12Tolerated3.77511-1.028.06
c.3136C>GP1046ALikely BenignUncertain 16-33443688-C-G16.20e-7-3.246Likely Benign0.048Likely BenignLikely Benign0.041Likely Benign-1.67Neutral0.001Benign0.008Benign2.39Pathogenic0.29Tolerated3.775-113.4-26.04
c.313T>CS105PLikely BenignUncertain 1-3.631Likely Benign0.166Likely BenignLikely Benign0.204Likely Benign0.03Neutral0.808Possibly Damaging0.212Benign4.00Benign0.00Affected4.321-11-0.810.04
c.3152G>AG1051DBenign 16-33443704-G-A21.24e-6-9.379Likely Pathogenic0.311Likely BenignLikely Benign0.445Likely Benign-0.31Neutral0.761Possibly Damaging0.239Benign-0.74Pathogenic0.39Tolerated3.775-11-3.158.04
c.3170G>AS1057NLikely BenignUncertain 1-6.386Likely Benign0.117Likely BenignLikely Benign0.218Likely Benign-0.41Neutral0.451Benign0.129Benign5.25Benign0.28Tolerated11-2.727.03
c.3223C>AQ1075KLikely BenignUncertain 1-5.135Likely Benign0.728Likely PathogenicLikely Benign0.134Likely Benign-0.67Neutral0.963Probably Damaging0.959Probably Damaging2.75Benign1.00Tolerated3.77511-0.40.04
c.3238G>TA1080SLikely BenignUncertain 16-33443790-G-T16.26e-7-3.277Likely Benign0.108Likely BenignLikely Benign0.103Likely Benign0.01Neutral0.702Possibly Damaging0.346Benign4.16Benign0.08Tolerated3.77511-2.616.00
c.3250C>GP1084ALikely BenignUncertain 1-3.928Likely Benign0.066Likely BenignLikely Benign0.114Likely Benign-2.54Deleterious0.649Possibly Damaging0.157Benign4.05Benign0.35Tolerated3.775-113.4-26.04
c.3254G>AR1085QLikely BenignUncertain 16-33443806-G-A53.16e-6-3.843Likely Benign0.589Likely PathogenicLikely Benign0.224Likely Benign-1.43Neutral0.998Probably Damaging0.988Probably Damaging2.73Benign0.02Affected3.775111.0-28.06
c.3262A>GS1088GLikely BenignUncertain 1-5.034Likely Benign0.285Likely BenignLikely Benign0.163Likely Benign-1.83Neutral0.979Probably Damaging0.973Probably Damaging2.63Benign0.03Affected3.775010.4-30.03
c.3293G>AS1098NLikely BenignConflicting 26-33443845-G-A63.89e-6-5.120Likely Benign0.156Likely BenignLikely Benign0.063Likely Benign-0.58Neutral0.369Benign0.120Benign2.76Benign0.36Tolerated3.77511-2.727.03
c.3304G>CA1102PLikely BenignUncertain 1-5.120Likely Benign0.077Likely BenignLikely Benign0.118Likely Benign-0.97Neutral0.000Benign0.002Benign2.26Pathogenic0.13Tolerated3.775-11-3.426.04
c.3310C>TP1104SLikely BenignBenign 16-33443862-C-T16.54e-7-2.330Likely Benign0.073Likely BenignLikely Benign0.088Likely Benign-0.30Neutral0.770Possibly Damaging0.404Benign2.77Benign0.10Tolerated3.775-110.8-10.04
c.3314G>AR1105QLikely BenignUncertain 26-33443866-G-A31.96e-6-3.666Likely Benign0.216Likely BenignLikely Benign0.104Likely Benign-1.21Neutral0.958Probably Damaging0.194Benign2.50Benign0.16Tolerated3.775111.0-28.06
c.3338G>AG1113DLikely BenignUncertain 16-33443890-G-A-4.638Likely Benign0.354AmbiguousLikely Benign0.061Likely Benign-0.72Neutral0.029Benign0.017Benign2.58Benign0.34Tolerated4.322-11-3.158.04
c.3361A>GS1121GLikely BenignUncertain 16-33443913-A-G17.00e-7-1.220Likely Benign0.054Likely BenignLikely Benign0.067Likely Benign-0.53Neutral0.003Benign0.004Benign6.63Benign0.00Affected3.775010.4-30.03
c.3424T>CS1142PLikely BenignLikely Benign 16-33444459-T-C16.20e-7-2.713Likely Benign0.222Likely BenignLikely Benign0.107Likely Benign-2.19Neutral0.918Possibly Damaging0.761Possibly Damaging2.64Benign0.00Affected4.324-11-0.810.04
c.3434A>GN1145SLikely BenignUncertain 16-33444469-A-G21.24e-6-0.989Likely Benign0.126Likely BenignLikely Benign0.308Likely Benign-1.15Neutral0.997Probably Damaging0.989Probably Damaging5.55Benign0.89Tolerated4.324112.7-27.03
c.3520G>AE1174KLikely BenignCoiled-coilUncertain 16-33444555-G-A21.24e-6-4.345Likely Benign0.898Likely PathogenicAmbiguous0.442Likely Benign-1.59Neutral0.962Probably Damaging0.367Benign5.52Benign0.03Affected4.32201-0.4-0.94
c.3529G>AE1177KLikely BenignCoiled-coilUncertain 1-3.413Likely Benign0.944Likely PathogenicAmbiguous0.560Likely Pathogenic-1.75Neutral0.905Possibly Damaging0.637Possibly Damaging5.44Benign0.11Tolerated4.32201-0.4-0.94
c.3572G>AR1191QLikely BenignCoiled-coilUncertain 26-33444607-G-A95.58e-6-1.069Likely Benign0.943Likely PathogenicAmbiguous0.343Likely Benign-1.41Neutral0.998Probably Damaging0.992Probably Damaging2.68Benign0.08Tolerated3.824111.0-28.06
c.3574C>GL1192VLikely BenignCoiled-coilUncertain 1-4.132Likely Benign0.471AmbiguousLikely Benign0.041Likely Benign-0.89Neutral0.779Possibly Damaging0.527Possibly Damaging2.69Benign0.16Tolerated210.4-14.03
c.3595G>AE1199KCoiled-coilUncertain 16-33446587-G-A16.20e-7-10.853Likely Pathogenic0.954Likely PathogenicAmbiguous0.171Likely Benign-2.26Neutral1.000Probably Damaging0.995Probably Damaging2.52Benign0.00Affected3.77501-0.4-0.94
c.3638A>GN1213SLikely BenignCoiled-coilBenign 16-33446630-A-G138.05e-6-4.086Likely Benign0.081Likely BenignLikely Benign0.094Likely Benign-0.56Neutral0.906Possibly Damaging0.551Possibly Damaging2.82Benign0.68Tolerated3.775112.7-27.0310.1016/j.ajhg.2020.11.011
c.3662G>AR1221QLikely BenignCoiled-coilConflicting 26-33446654-G-A42.48e-6-5.491Likely Benign0.115Likely BenignLikely Benign0.078Likely Benign-1.46Neutral0.836Possibly Damaging0.153Benign2.56Benign0.12Tolerated3.775111.0-28.06
c.3731G>AS1244NLikely PathogenicCoiled-coilUncertain 1-9.008Likely Pathogenic0.751Likely PathogenicLikely Benign0.154Likely Benign-1.87Neutral0.997Probably Damaging0.992Probably Damaging2.10Pathogenic0.15Tolerated3.77511-2.727.03
c.3773A>GQ1258RLikely PathogenicCoiled-coilUncertain 1-10.971Likely Pathogenic0.931Likely PathogenicAmbiguous0.316Likely Benign-3.19Deleterious0.994Probably Damaging0.988Probably Damaging2.00Pathogenic0.00Affected11-1.028.06
c.380G>AR127QLikely BenignUncertain 16-33432245-G-A63.72e-6-1.711Likely Benign0.320Likely BenignLikely Benign0.037Likely Benign-1.04Neutral0.006Benign0.001Benign4.04Benign0.02Affected3.744111.0-28.06
c.3824G>AR1275QLikely BenignUncertain 16-33447872-G-A21.29e-6-4.928Likely Benign0.121Likely BenignLikely Benign0.103Likely Benign-1.72Neutral0.898Possibly Damaging0.147Benign2.59Benign0.03Affected3.775111.0-28.06
c.3983G>AR1328QLikely BenignUncertain 36-33451857-G-A351.49e-4-2.921Likely Benign0.273Likely BenignLikely Benign0.043Likely Benign-1.02Neutral0.799Possibly Damaging0.098Benign4.12Benign0.03Affected3.775111.0-28.06
c.3G>AM1ILikely BenignConflicting 3-5.397Likely Benign0.227Likely Benign-0.17Neutral0.001Benign0.000Benign4.25Benign0.00Affected4.321212.6-18.03
c.4006G>AE1336KLikely BenignBenign 26-33451880-G-A64.20e-6-4.697Likely Benign0.977Likely PathogenicLikely Pathogenic0.272Likely Benign-2.44Neutral0.748Possibly Damaging0.079Benign3.23Benign0.00Affected3.77501-0.4-0.94
c.4013G>AR1338QLikely BenignConflicting 36-33451887-G-A128.40e-6-3.494Likely Benign0.317Likely BenignLikely Benign0.076Likely Benign-1.87Neutral0.896Possibly Damaging0.194Benign3.81Benign0.02Affected3.775111.0-28.06
c.401G>AS134NLikely BenignUncertain 1-5.534Likely Benign0.813Likely PathogenicAmbiguous0.075Likely Benign-1.62Neutral0.001Benign0.002Benign3.90Benign0.00Affected3.61511-2.727.03
c.4021G>TA1341SLikely BenignUncertain 16-33451895-G-T-2.867Likely Benign0.078Likely BenignLikely Benign0.099Likely Benign0.80Neutral0.000Benign0.001Benign4.40Benign1.00Tolerated3.77511-2.616.00
c.404G>AR135QUncertain 16-33432701-G-A53.84e-6-8.011Likely Pathogenic0.853Likely PathogenicAmbiguous0.087Likely Benign-1.94Neutral0.327Benign0.100Benign3.76Benign0.02Affected3.615111.0-28.06
c.407G>AR136QBenign 16-33432704-G-A139.17e-6-11.146Likely Pathogenic0.950Likely PathogenicAmbiguous0.190Likely Benign-2.26Neutral0.957Probably Damaging0.342Benign3.52Benign0.01Affected3.615111.0-28.06
c.416G>AS139NLikely BenignUncertain 16-33432713-G-A32.22e-6-4.584Likely Benign0.688Likely PathogenicLikely Benign0.109Likely Benign-0.75Neutral0.149Benign0.047Benign4.14Benign0.24Tolerated3.61511-2.727.03
c.451G>CD151HLikely PathogenicUncertain 16-33432748-G-C21.26e-6-11.747Likely Pathogenic0.994Likely PathogenicLikely Pathogenic0.335Likely Benign-3.90Deleterious0.999Probably Damaging0.995Probably Damaging3.86Benign0.00Affected3.615-110.322.05
c.455G>AR152QUncertain 16-33432752-G-A53.14e-6-10.336Likely Pathogenic0.989Likely PathogenicLikely Pathogenic0.181Likely Benign-2.34Neutral0.997Probably Damaging0.968Probably Damaging3.89Benign0.00Affected3.615111.0-28.06
c.48G>AM16ILikely BenignUncertain 16-33420312-G-A16.49e-7-2.198Likely Benign0.722Likely PathogenicLikely Benign0.057Likely Benign-0.15Neutral0.000Benign0.000Benign4.28Benign0.00Affected4.321212.6-18.03
c.491G>AR164QUncertain 16-33432788-G-A21.24e-6-11.208Likely Pathogenic0.600Likely PathogenicLikely Benign0.184Likely Benign-1.86Neutral0.957Probably Damaging0.342Benign3.82Benign0.00Affected3.744111.0-28.06
c.505G>AD169NUncertain 1-10.713Likely Pathogenic0.761Likely PathogenicLikely Benign0.110Likely Benign-2.04Neutral0.079Benign0.052Benign4.07Benign0.01Affected3.744210.0-0.98
c.509G>AR170QPathogenic/Likely path. 6-9.021Likely Pathogenic0.798Likely PathogenicAmbiguous0.221Likely Benign-2.31Neutral0.947Possibly Damaging0.342Benign3.91Benign0.00Affected3.744111.0-28.0610.1016/j.ajhg.2020.11.011
c.515G>AR172QUncertain 16-33435157-G-A31.86e-6-7.245In-Between0.465AmbiguousLikely Benign0.135Likely Benign-1.72Neutral0.804Possibly Damaging0.091Benign4.04Benign0.04Affected3.615111.0-28.06
c.526A>GS176GUncertain 16-33435168-A-G16.20e-7-7.541In-Between0.360AmbiguousLikely Benign0.066Likely Benign-1.08Neutral0.131Benign0.039Benign4.08Benign0.22Tolerated3.546010.4-30.03
c.5G>AS2NLikely BenignUncertain 26-33420269-G-A31.96e-6-4.104Likely Benign0.207Likely BenignLikely Benign0.092Likely Benign-0.36Neutral0.000Benign0.000Benign4.06Benign0.00Affected4.32111-2.727.03
c.718G>AD240NLikely PathogenicPHUncertain 1-12.942Likely Pathogenic0.755Likely PathogenicLikely Benign0.701Likely Pathogenic0.22Likely Benign0.90.47Likely Benign0.35Likely Benign0.37Likely Benign-4.37Deleterious0.993Probably Damaging0.984Probably Damaging5.88Benign0.01Affected210.0-0.98
c.74G>AR25QLikely BenignUncertain 16-33423483-G-A159.29e-6-4.126Likely Benign0.212Likely BenignLikely Benign0.038Likely Benign-0.70Neutral0.829Possibly Damaging0.614Possibly Damaging4.01Benign0.00Affected4.321111.0-28.06
c.667A>TT223S
(3D Viewer)
PHConflicting 26-33435518-A-T31.86e-6-7.714In-Between0.410AmbiguousLikely Benign0.535Likely Pathogenic0.26Likely Benign0.10.50Ambiguous0.38Likely Benign0.62Ambiguous-2.86Deleterious0.421Benign0.058Benign5.80Benign0.02Affected3.411311-0.1-14.03200.717.3-0.20.20.00.0XUncertainThe introduced residue Ser223 is located on the outer surface of an anti-parallel β sheet strand (res. Cys219-Thr224). Its hydroxyl group forms hydrogen bonds with nearby residues Thr228 and Lys207 in the variant simulations, similar to the hydroxyl group of Thr223 in the WT simulations. These hydrogen-bonding interactions at the β sheet surface contribute to the stability of the secondary structure element and may prevent it from unfolding. However, since the model ends abruptly at the N-terminus, no definite conclusions can be drawn from the simulations.
c.767A>GN256S
(3D Viewer)
Likely PathogenicC2Likely Pathogenic 1-10.640Likely Pathogenic0.950Likely PathogenicAmbiguous0.707Likely Pathogenic0.31Likely Benign0.20.36Likely Benign0.34Likely Benign0.48Likely Benign-4.33Deleterious0.997Probably Damaging0.970Probably Damaging5.87Benign0.02Affected3.3915112.7-27.03
c.892C>TP298S
(3D Viewer)
Likely BenignC2Benign 16-33437797-C-T53.10e-6-6.342Likely Benign0.144Likely BenignLikely Benign0.189Likely Benign1.38Ambiguous0.21.41Ambiguous1.40Ambiguous0.58Ambiguous-1.20Neutral0.991Probably Damaging0.898Possibly Damaging2.03Pathogenic0.85Tolerated3.3920-110.8-10.04
c.92G>AR31QLikely BenignUncertain 16-33423501-G-A74.34e-6-4.434Likely Benign0.136Likely BenignLikely Benign0.051Likely Benign-0.92Neutral0.829Possibly Damaging0.614Possibly Damaging4.01Benign0.00Affected4.321111.0-28.06
c.937G>AE313K
(3D Viewer)
Likely PathogenicC2Likely Benign 1-12.902Likely Pathogenic0.959Likely PathogenicLikely Pathogenic0.575Likely Pathogenic0.64Ambiguous0.61.40Ambiguous1.02Ambiguous0.75Ambiguous-3.31Deleterious1.000Probably Damaging0.995Probably Damaging1.90Pathogenic0.02Affected01-0.4-0.94
c.958G>CV320L
(3D Viewer)
C2Uncertain 16-33437863-G-C63.72e-6-6.207Likely Benign0.362AmbiguousLikely Benign0.096Likely Benign-0.26Likely Benign0.21.33Ambiguous0.54Ambiguous0.51Ambiguous-1.02Neutral0.900Possibly Damaging0.373Benign1.78Pathogenic0.92Tolerated3.382321-0.414.03245.8-10.20.30.90.10.3XPotentially BenignThe isopropyl side chain of Val310, located in a β hairpin loop linking two anti-parallel β sheet strands (res. Thr305-Asn315, res. Ala322-Asp330), hydrophobically packs with the side chains of nearby residues (e.g., Leu286, Val350, Pro318). The hydrophobic Leu320 side chain mostly forms the same interactions; hence, the residue swap does not seem to negatively affect the protein structure based on the variant simulations.
c.815G>AR272Q
(3D Viewer)
C2Uncertain 26-33437720-G-A148.67e-6-9.559Likely Pathogenic0.286Likely BenignLikely Benign0.321Likely Benign0.73Ambiguous0.10.15Likely Benign0.44Likely Benign1.00Destabilizing-1.81Neutral0.999Probably Damaging0.994Probably Damaging1.88Pathogenic0.03Affected3.3819111.0-28.06255.752.90.00.0-0.20.1XUncertainThe guanidinium group of Arg272, located at the end of an anti-parallel β sheet strand (res. Arg259-Arg272), is stably maintained in an upright and outward position via stacking with the indole ring of the Trp362 side chain in another β strand (res. Thr359-Pro364). In the WT simulations, Arg272 forms hydrogen bonds with the glycine-rich Ω loop residues (res. Val365-Pro398, e.g., Gly380) and creates a salt bridge with the carboxylate group of the Asp304 side chain.In the variant simulations, the carboxamide group of the Gln272 side chain does not stack with the indole ring of Trp362 as stably as the guanidinium group of Arg272 in the WT. Consequently, the Gln272 side chain is freer to interact with the loop residues than Arg272, potentially negatively affecting the dynamic SynGAP-membrane association. Additionally, Arg272 faces the RasGTPase interface, so the residue swap could impact the SynGAP-Ras complex formation and GTPase activation.
c.971G>AR324Q
(3D Viewer)
Likely BenignC2Uncertain 36-33437876-G-A31.86e-6-5.001Likely Benign0.173Likely BenignLikely Benign0.307Likely Benign0.56Ambiguous0.10.63Ambiguous0.60Ambiguous1.02Destabilizing-1.17Neutral0.999Probably Damaging0.994Probably Damaging1.92Pathogenic0.41Tolerated3.3922111.0-28.06
c.865A>GM289V
(3D Viewer)
Likely BenignC2Benign 1-4.239Likely Benign0.117Likely BenignLikely Benign0.150Likely Benign1.09Ambiguous0.1-0.27Likely Benign0.41Likely Benign0.24Likely Benign-0.36Neutral0.136Benign0.054Benign1.80Pathogenic1.00Tolerated3.3823212.3-32.06204.251.00.00.00.20.0XPotentially BenignThe hydrophobic residue Met289, located in a β hairpin linking two anti-parallel β sheet strands (res. Met289-Arg299, res. Arg272-Leu286), is swapped for another hydrophobic residue, valine. In the variant simulations, the branched hydrocarbon side chain of Val289 packs against the phenol group of the Tyr291 side chain but is unable to form methionine-aromatic interactions. β hairpins are potential nucleation sites during the initial stages of protein folding, so even minor changes in them could be significant. However, based on the simulations, the residue swap does not cause adverse effects on the structure.
c.886T>GS296A
(3D Viewer)
Likely BenignC2Uncertain 1-6.847Likely Benign0.247Likely BenignLikely Benign0.209Likely Benign0.50Ambiguous0.3-0.26Likely Benign0.12Likely Benign0.35Likely Benign-1.79Neutral0.992Probably Damaging0.987Probably Damaging1.97Pathogenic0.65Tolerated3.4016112.6-16.00182.526.6-0.20.1-0.50.0XPotentially PathogenicThe hydroxyl group of the Ser296 side chain, located in an anti-parallel β sheet strand (res. Met289-Pro298), stably hydrogen bonds with the carboxylate group of Asp330 in a neighboring β strand (res. Ala322-Asp332). The backbone carbonyl group of Ser296 also hydrogen bonds with the guanidinium group of Arg279 in another nearby β strand (res. Arg279-Cys285). In the variant simulations, the methyl group of the Ala296 side chain cannot hydrogen bond with Asp330, causing the carboxylate group positioning to fluctuate more than in the WT simulations.Although the residue swap does not seem to affect the anti-parallel β sheet assembly during the simulations, it is possible that the Ser296-Asp330 hydrogen bond plays a crucial role in maintaining the C2 domain fold. Notably, because Ser296 is located near the membrane interface, the potential effect of the residue swap on the SynGAP-membrane association cannot be addressed by solvent-only simulations.
c.928G>AE310K
(3D Viewer)
Likely PathogenicC2Conflicting 4-14.601Likely Pathogenic0.997Likely PathogenicLikely Pathogenic0.764Likely Pathogenic1.97Ambiguous1.23.66Destabilizing2.82Destabilizing1.02Destabilizing-3.68Deleterious1.000Probably Damaging0.995Probably Damaging1.19Pathogenic0.01Affected3.381901-0.4-0.94213.458.00.10.00.20.1XPotentially PathogenicThe carboxylate group of Glu310, located in an anti-parallel β sheet strand (res. Thr305-Asn315), is ideally positioned to interact with the side chain hydroxyl and backbone amide groups of Thr295 on a twisted anti-parallel β strand (res. Met289-Arg299). Because the carboxylate group can also interact with the GAP domain residues (e.g., Gln612, Tyr614), Glu310 plays a key role in maintaining the tertiary assembly between the C2 and GAP domains. In the variant simulations, the amino group of the Lys310 side chain hydrogen bonds with the GAP domain residues and forms a salt bridge with Glu613. Although no apparent negative effects are seen due to the residue swap, it is possible that the loss of hydrogen bonding with the hydroxyl group of the Thr295 side chain causes problems during folding, potentially compromising the twisting of the β sheet.
c.1067G>AR356H
(3D Viewer)
Likely PathogenicC2Likely Benign 16-33437972-G-A95.66e-6-11.453Likely Pathogenic0.614Likely PathogenicLikely Benign0.314Likely Benign0.59Ambiguous0.1-0.27Likely Benign0.16Likely Benign1.17Destabilizing-4.43Deleterious0.999Probably Damaging0.987Probably Damaging1.70Pathogenic0.01Affected3.3922021.3-19.05
c.106C>TH36YLikely BenignUncertain 16-33423515-C-T21.24e-6-3.461Likely Benign0.139Likely BenignLikely Benign0.023Likely Benign-1.03Neutral0.219Benign0.066Benign4.16Benign0.00Affected4.321021.926.03
c.1131G>AM377I
(3D Viewer)
Likely BenignC2Uncertain 16-33438036-G-A16.23e-7-2.895Likely Benign0.212Likely BenignLikely Benign0.227Likely Benign0.76Ambiguous0.30.54Ambiguous0.65Ambiguous0.24Likely Benign-0.41Neutral0.000Benign0.001Benign5.46Benign0.26Tolerated4.3212122.6-18.03
c.1339G>CV447L
(3D Viewer)
Likely BenignGAPUncertain 1-5.136Likely Benign0.491AmbiguousLikely Benign0.180Likely Benign-1.13Ambiguous0.10.54Ambiguous-0.30Likely Benign0.03Likely Benign-0.29Neutral0.947Possibly Damaging0.851Possibly Damaging3.61Benign0.90Tolerated3.373212-0.414.03
c.1402A>GM468V
(3D Viewer)
GAPUncertain 1-9.461Likely Pathogenic0.361AmbiguousLikely Benign0.570Likely Pathogenic2.69Destabilizing0.12.20Destabilizing2.45Destabilizing0.89Ambiguous-1.66Neutral0.998Probably Damaging0.993Probably Damaging-1.21Pathogenic0.08Tolerated3.3731122.3-32.06
c.1404G>AM468I
(3D Viewer)
Likely PathogenicGAPUncertain 16-33438436-G-A16.20e-7-8.583Likely Pathogenic0.907Likely PathogenicAmbiguous0.508Likely Pathogenic2.53Destabilizing0.21.89Ambiguous2.21Destabilizing0.37Likely Benign-1.06Neutral0.748Possibly Damaging0.886Possibly Damaging-1.10Pathogenic0.07Tolerated3.3731122.6-18.03
c.1408A>GM470V
(3D Viewer)
Likely PathogenicGAPUncertain 1-8.856Likely Pathogenic0.478AmbiguousLikely Benign0.770Likely Pathogenic2.73Destabilizing0.11.88Ambiguous2.31Destabilizing1.31Destabilizing-3.58Deleterious0.999Probably Damaging0.993Probably Damaging-1.20Pathogenic0.15Tolerated3.3734122.3-32.06
c.1454G>AR485H
(3D Viewer)
Likely PathogenicGAPLikely Benign 16-33438486-G-A138.05e-6-13.628Likely Pathogenic0.948Likely PathogenicAmbiguous0.618Likely Pathogenic0.77Ambiguous0.10.12Likely Benign0.45Likely Benign1.13Destabilizing-4.97Deleterious1.000Probably Damaging0.998Probably Damaging1.93Pathogenic0.00Affected3.3735021.3-19.05
c.1516C>TL506F
(3D Viewer)
Likely PathogenicGAPUncertain 1-11.262Likely Pathogenic0.883Likely PathogenicAmbiguous0.464Likely Benign4.92Destabilizing0.85.76Destabilizing5.34Destabilizing0.91Ambiguous-3.98Deleterious0.999Probably Damaging0.997Probably Damaging1.62Pathogenic0.01Affected3.373502-1.034.02
c.1552T>CY518H
(3D Viewer)
Likely PathogenicGAPUncertain 1-9.797Likely Pathogenic0.943Likely PathogenicAmbiguous0.496Likely Benign2.39Destabilizing0.40.82Ambiguous1.61Ambiguous1.31Destabilizing-4.74Deleterious1.000Probably Damaging1.000Probably Damaging3.40Benign0.08Tolerated02-1.9-26.03
c.1635G>AM545I
(3D Viewer)
Likely PathogenicGAPUncertain 1-8.348Likely Pathogenic0.999Likely PathogenicLikely Pathogenic0.592Likely Pathogenic0.47Likely Benign0.10.14Likely Benign0.31Likely Benign0.63Ambiguous-3.61Deleterious0.935Possibly Damaging0.941Probably Damaging-1.27Pathogenic0.28Tolerated3.3735122.6-18.03
c.1651C>AL551M
(3D Viewer)
GAPUncertain 16-33438894-C-A74.34e-6-9.937Likely Pathogenic0.480AmbiguousLikely Benign0.544Likely Pathogenic-0.07Likely Benign0.10.13Likely Benign0.03Likely Benign0.71Ambiguous-0.56Neutral1.000Probably Damaging1.000Probably Damaging-1.48Pathogenic0.06Tolerated3.373542-1.918.03246.5-18.60.00.00.30.0XPotentially BenignL551 is located on an α-helix (res. Ala533-Val560). The iso-butyl side chain of Leu551 hydrophobically packs with nearby hydrophobic residues such as Cys547, Phe652, Leu633, and Ile630 in the inter-helix space. In the variant simulations, the thioether side chain of Met551 can maintain similar hydrophobic interactions as Leu551 in the WT, thus causing no negative effect on the protein structure during the simulations.
c.1408A>CM470L
(3D Viewer)
Likely PathogenicGAPLikely Benign 16-33438440-A-C16.20e-7-8.993Likely Pathogenic0.406AmbiguousLikely Benign0.678Likely Pathogenic0.73Ambiguous0.10.84Ambiguous0.79Ambiguous1.04Destabilizing-2.72Deleterious0.484Possibly Damaging0.654Possibly Damaging-1.22Pathogenic0.16Tolerated3.3734421.9-18.03225.317.90.00.0-0.80.5XPotentially BenignThe thioether group of Met470, located in the middle of an α helix (res. Ala461–Phe476), interacts with hydrophobic residues in the inter-helix space (e.g., Val473, Leu558) formed by two other α helices (res. Ser604–Arg581, res. Pro562–Arg579). In the WT simulations, Met470 also packs against the positively charged guanidinium groups of Arg575, Arg429, and Arg579, which form salt bridges with the negatively charged carboxylate groups of the Asp474 and Asp467 side chains at the protein surface. In the variant simulations, the iso-butyl side chain of Leu470 packs similarly with the hydrophobic residues as methionine, resulting in no negative effects on the protein structure during the simulation.
c.1673A>GH558R
(3D Viewer)
Likely PathogenicGAPUncertain 1-14.445Likely Pathogenic0.554AmbiguousLikely Benign0.587Likely Pathogenic-1.14Ambiguous0.1-0.23Likely Benign-0.69Ambiguous1.03Destabilizing-4.94Deleterious0.677Possibly Damaging0.239Benign-1.24Pathogenic0.14Tolerated3.373502-1.319.05
c.1702G>TV568L
(3D Viewer)
Likely PathogenicGAPUncertain 1-9.503Likely Pathogenic0.921Likely PathogenicAmbiguous0.651Likely Pathogenic-0.30Likely Benign0.30.57Ambiguous0.14Likely Benign0.56Ambiguous-2.69Deleterious0.511Possibly Damaging0.147Benign-1.23Pathogenic0.04Affected3.373512-0.414.03
c.172A>GM58VLikely BenignUncertain 1-2.211Likely Benign0.688Likely PathogenicLikely Benign0.160Likely Benign-0.71Neutral0.006Benign0.091Benign4.19Benign0.00Affected4.321122.3-32.06
c.1441C>TH481Y
(3D Viewer)
Likely PathogenicGAPLikely Benign 16-33438473-C-T169.91e-6-10.910Likely Pathogenic0.565Likely PathogenicLikely Benign0.256Likely Benign-0.53Ambiguous0.1-0.46Likely Benign-0.50Ambiguous0.20Likely Benign-3.32Deleterious0.988Probably Damaging0.979Probably Damaging3.40Benign0.59Tolerated3.3733021.926.03256.5-44.40.00.00.20.2XXUncertainThe imidazole ring of the His481 side chain is located in a short helical structure (res. Glu480-Leu482) within an α-α loop connecting the two α-helices (res. Ala461-Phe476 and Leu489-Glu519) at the GAP-Ras interface. In the WT simulations, His481 alternately stacks against Arg485, Arg587, and Glu480 without a definite role. In the variant simulations, Tyr481 also alternately stacks with nearby arginine residues, including Arg485, Arg587, and Arg479. The interaction between Tyr481 and Arg479 affects the α-α loop, causing it to fold into a distorted helical structure, an effect that might be more pronounced during protein folding. Finally, the potential effect of the residue swap on SynGAP-Ras complex formation or GTPase activation cannot be fully addressed using the SynGAP solvent-only simulations.
c.1485A>CE495D
(3D Viewer)
Likely PathogenicGAPConflicting 2-3.574Likely Benign0.958Likely PathogenicLikely Pathogenic0.566Likely Pathogenic1.39Ambiguous0.11.03Ambiguous1.21Ambiguous0.98Ambiguous-2.52Deleterious0.998Probably Damaging0.989Probably Damaging-1.41Pathogenic0.17Tolerated3.3735320.0-14.03220.638.80.00.00.10.1XXUncertainGlu495 is located in the α-helix (res. Leu489-Glu519), and its carboxylate group forms salt bridges with the neighboring Lys492 and with Arg596 on an opposing α-helix (res. Glu582-Met603) in the WT simulations. In the variant simulations, the acidic carboxylate side chain of Asp495 can also form salt bridges with both Lys492 and Arg596. However, the shorter side chain of aspartate tends to favor forming a salt bridge with the nearby Arg499 on the same α-helix instead. Asp495 might not maintain the salt bridge with Arg596 on the opposing α-helix as efficiently as Glu495 in the WT, potentially weakening the tertiary structure. Regardless, the potential negative effect is likely to be minor, with no deleterious effects observed on the protein structure during the simulations. However, due to its location at the GAP-Ras interface, the effect of the residue swap on SynGAP-Ras complex formation or GTPase activation cannot be fully addressed using the SynGAP solvent-only simulations.
c.187G>CE63QLikely BenignUncertain 1-4.038Likely Benign0.687Likely PathogenicLikely Benign0.078Likely Benign-0.85Neutral0.659Possibly Damaging0.775Possibly Damaging3.90Benign0.00Affected4.321220.0-0.98
c.2086C>GL696V
(3D Viewer)
Likely PathogenicGAPUncertain 1-11.909Likely Pathogenic0.745Likely PathogenicLikely Benign0.351Likely Benign2.35Destabilizing0.11.85Ambiguous2.10Destabilizing1.46Destabilizing-2.79Deleterious0.992Probably Damaging0.970Probably Damaging3.16Benign0.00Affected3.4613120.4-14.03
c.2131C>GL711V
(3D Viewer)
Likely PathogenicGAPUncertain16-33441596-C-G16.20e-7-10.045Likely Pathogenic0.709Likely PathogenicLikely Benign0.170Likely Benign3.48Destabilizing0.12.22Destabilizing2.85Destabilizing1.40Destabilizing-2.59Deleterious0.992Probably Damaging0.970Probably Damaging3.34Benign0.00Affected3.509120.4-14.03
c.2158G>AD720N
(3D Viewer)
Likely PathogenicGAPLikely Benign 16-33441623-G-A53.10e-6-9.135Likely Pathogenic0.654Likely PathogenicLikely Benign0.289Likely Benign0.01Likely Benign0.0-0.20Likely Benign-0.10Likely Benign0.46Likely Benign-3.74Deleterious1.000Probably Damaging0.995Probably Damaging2.18Pathogenic0.01Affected3.509120.0-0.98
c.2195G>AR732KLikely BenignConflicting 26-33441660-G-A42.48e-6-5.278Likely Benign0.240Likely BenignLikely Benign0.045Likely Benign-0.82Neutral0.973Probably Damaging0.943Probably Damaging2.69Benign0.21Tolerated3.597320.6-28.01
c.2215G>CE739QLikely BenignUncertain 1-2.846Likely Benign0.161Likely BenignLikely Benign0.071Likely Benign-1.06Neutral0.801Possibly Damaging0.339Benign2.57Benign0.00Affected4.322220.0-0.98
c.2217G>CE739DLikely BenignUncertain 1-3.369Likely Benign0.062Likely BenignLikely Benign0.097Likely Benign-0.49Neutral0.002Benign0.005Benign2.59Benign0.00Affected320.0-14.03
c.2224C>TR742WLikely BenignUncertain 16-33441689-C-T63.72e-6-7.725In-Between0.133Likely BenignLikely Benign0.079Likely Benign-1.71Neutral0.992Probably Damaging0.684Possibly Damaging2.66Benign0.01Affected4.322-323.630.03
c.2275A>CM759LLikely BenignUncertain 16-33441740-A-C21.24e-6-2.431Likely Benign0.093Likely BenignLikely Benign0.048Likely Benign-0.53Neutral0.002Benign0.005Benign2.84Benign1.00Tolerated3.995421.9-18.03
c.2277G>AM759ILikely BenignUncertain 16-33441742-G-A16.20e-7-4.058Likely Benign0.393AmbiguousLikely Benign0.075Likely Benign-0.88Neutral0.454Possibly Damaging0.192Benign2.83Benign0.34Tolerated3.995122.6-18.03
c.2302G>AD768NLikely BenignUncertain 16-33442460-G-A22.57e-6-6.892Likely Benign0.453AmbiguousLikely Benign0.048Likely Benign-0.77Neutral0.106Benign0.009Benign4.07Benign0.96Tolerated3.646120.0-0.98
c.2343G>AM781ILikely BenignBenign 1-2.484Likely Benign0.323Likely BenignLikely Benign0.101Likely Benign0.05Neutral0.000Benign0.001Benign2.89Benign1.00Tolerated3.646122.6-18.03
c.2349G>AM783ILikely BenignBenign 16-33442901-G-A63.72e-6-3.560Likely Benign0.418AmbiguousLikely Benign0.042Likely Benign-0.54Neutral0.004Benign0.006Benign2.87Benign0.22Tolerated3.646122.6-18.03
c.2408A>GK803RLikely BenignSH3-binding motifUncertain 1-2.281Likely Benign0.097Likely BenignLikely Benign0.018Likely Benign-1.52Neutral0.103Benign0.038Benign2.38Pathogenic0.00Affected3.77532-0.628.01
c.1966G>CE656Q
(3D Viewer)
GAPUncertain 16-33441225-G-C16.20e-7-9.145Likely Pathogenic0.766Likely PathogenicLikely Benign0.249Likely Benign-0.14Likely Benign0.0-0.81Ambiguous-0.48Likely Benign0.25Likely Benign-2.29Neutral0.980Probably Damaging0.528Possibly Damaging3.46Benign0.02Affected3.3924220.0-0.98224.31.70.00.10.10.0XPotentially BenignThe carboxylate side chain of Glu656, located on an α helix (res. Ser641-Glu666), frequently forms a hydrogen bond with the nearby residue Ser659 on the same α helix. In the variant simulations, the carboxamide side chain of Gln656 alternatively forms a hydrogen bond with either Ser659 or Glu548 on an opposing helix (res. Ala533-Val560).Although the frequent interaction between Gln656 and Glu548 may strengthen or stabilize the tertiary structure assembly, the effect is likely to be marginal.
c.1998G>CE666D
(3D Viewer)
Likely PathogenicGAPUncertain 1-8.820Likely Pathogenic0.704Likely PathogenicLikely Benign0.197Likely Benign0.88Ambiguous0.00.37Likely Benign0.63Ambiguous1.05Destabilizing-2.69Deleterious0.992Probably Damaging0.603Possibly Damaging3.43Benign0.06Tolerated3.3828320.0-14.03237.216.50.00.0-0.30.1XPotentially PathogenicThe carboxylate group of Glu666, located on the α-helix (res. Ser641-Glu666), is involved in a highly coordinated hydrogen-bonding network between residues from two α-helices (res. Ser641-Glu666 and res. Arg563-Glu578) and from the α-α loop connecting the two α-helices (res. Ser641-Glu666 and res. Leu685-Val699), such as Lys566, Thr672, and Asn669, in the WT simulations. In the variant simulations, the shorter side chain of Asp666 cannot maintain these interactions as efficiently as Glu666 in the WT, resulting in a less coordinated hydrogen-bond network.
c.2493G>CE831DLikely BenignUncertain 16-33443045-G-C16.19e-7-3.055Likely Benign0.063Likely BenignLikely Benign0.073Likely Benign1.23Neutral0.002Benign0.002Benign2.64Benign0.77Tolerated3.775320.0-14.03
c.2502G>CM834ILikely BenignUncertain 1-3.377Likely Benign0.291Likely BenignLikely Benign0.055Likely Benign-1.21Neutral0.026Benign0.009Benign2.56Benign0.00Affected4.324122.6-18.03
c.2521G>AV841MUncertain 16-33443073-G-A31.86e-6-7.000In-Between0.651Likely PathogenicLikely Benign0.119Likely Benign-0.74Neutral0.999Probably Damaging0.998Probably Damaging2.54Benign0.02Affected3.77512-2.332.06
c.2650C>TR884WLikely BenignUncertain 16-33443202-C-T53.10e-6-3.785Likely Benign0.332Likely BenignLikely Benign0.151Likely Benign0.26Neutral0.995Probably Damaging0.812Possibly Damaging2.56Benign0.05Affected4.324-323.630.03
c.2881C>TH961YLikely BenignConflicting 26-33443433-C-T31.86e-6-8.051Likely Pathogenic0.157Likely BenignLikely Benign0.102Likely Benign-1.07Neutral0.716Possibly Damaging0.147Benign4.10Benign0.55Tolerated3.775021.926.03
c.291G>TE97DLikely BenignUncertain 36-33425899-G-T-3.239Likely Benign0.077Likely BenignLikely Benign0.081Likely Benign-0.49Neutral0.880Possibly Damaging0.636Possibly Damaging4.12Benign0.00Affected4.321320.0-14.03
c.3049T>CF1017LLikely BenignBenign 1-2.048Likely Benign0.934Likely PathogenicAmbiguous0.157Likely Benign-2.38Neutral0.798Possibly Damaging0.373Benign2.65Benign0.72Tolerated3.775021.0-34.02
c.3209G>AR1070KLikely BenignConflicting 2-5.093Likely Benign0.326Likely BenignLikely Benign0.104Likely Benign-1.42Neutral0.049Benign0.048Benign3.86Benign0.09Tolerated3.775320.6-28.01
c.323A>GK108RLikely BenignUncertain 16-33432188-A-G63.72e-6-2.892Likely Benign0.148Likely BenignLikely Benign0.184Likely Benign0.37Neutral0.993Probably Damaging0.956Probably Damaging4.22Benign1.00Tolerated3.61532-0.628.01
c.3253C>TR1085WUncertain 16-33443805-C-T21.26e-6-6.339Likely Benign0.821Likely PathogenicAmbiguous0.202Likely Benign-3.15Deleterious1.000Probably Damaging0.996Probably Damaging2.70Benign0.00Affected3.775-323.630.03
c.3313C>TR1105WUncertain 16-33443865-C-T63.93e-6-6.911Likely Benign0.488AmbiguousLikely Benign0.133Likely Benign-4.34Deleterious0.999Probably Damaging0.696Possibly Damaging2.42Pathogenic0.02Affected3.775-323.630.03
c.3442A>TM1148LLikely BenignUncertain 1-1.777Likely Benign0.093Likely BenignLikely Benign0.068Likely Benign-1.13Neutral0.016Benign0.016Benign2.62Benign0.00Affected4.322421.9-18.03
c.3567G>CE1189DLikely BenignCoiled-coilLikely Benign 16-33444602-G-C31.86e-6-3.582Likely Benign0.461AmbiguousLikely Benign0.359Likely Benign-1.42Neutral0.992Probably Damaging0.989Probably Damaging5.30Benign0.25Tolerated3.824320.0-14.03
c.3631A>GM1211VLikely BenignCoiled-coilBenign 16-33446623-A-G31.86e-6-2.101Likely Benign0.258Likely BenignLikely Benign0.412Likely Benign-0.29Neutral0.932Possibly Damaging0.949Probably Damaging5.43Benign0.72Tolerated3.775122.3-32.06
c.3633G>AM1211ILikely BenignCoiled-coilUncertain 16-33446625-G-A31.86e-6-1.537Likely Benign0.764Likely PathogenicLikely Benign0.298Likely Benign-0.42Neutral0.969Probably Damaging0.968Probably Damaging5.40Benign1.00Tolerated3.775122.6-18.03
c.3655T>CY1219HLikely PathogenicCoiled-coilUncertain 1-9.511Likely Pathogenic0.997Likely PathogenicLikely Pathogenic0.363Likely Benign-3.62Deleterious1.000Probably Damaging0.999Probably Damaging2.15Pathogenic0.00Affected3.77502-1.9-26.03
c.3705G>AM1235ILikely BenignCoiled-coilUncertain 1-4.312Likely Benign0.310Likely BenignLikely Benign0.027Likely Benign-1.44Neutral0.139Benign0.056Benign2.69Benign0.04Affected3.775122.6-18.03
c.3721C>AL1241MCoiled-coilUncertain 1-5.881Likely Benign0.782Likely PathogenicLikely Benign0.167Likely Benign-1.43Neutral1.000Probably Damaging0.999Probably Damaging1.65Pathogenic0.00Affected42-1.918.03
c.3821G>AR1274HLikely Benign 16-33447869-G-A42.58e-6-5.259Likely Benign0.256Likely BenignLikely Benign0.149Likely Benign-3.20Deleterious1.000Probably Damaging0.995Probably Damaging2.49Pathogenic0.01Affected3.775021.3-19.05
c.3846G>CE1282DLikely BenignUncertain 16-33447894-G-C16.44e-7-3.879Likely Benign0.074Likely BenignLikely Benign0.104Likely Benign-1.26Neutral0.112Benign0.036Benign2.70Benign0.39Tolerated3.775320.0-14.03
c.3858A>TE1286DLikely BenignConflicting 46-33447906-A-T1439.22e-5-4.010Likely Benign0.081Likely BenignLikely Benign0.036Likely Benign1.02Neutral0.001Benign0.004Benign2.96Benign1.00Tolerated3.775320.0-14.0310.1016/j.ajhg.2020.11.011
c.4000A>GN1334DUncertain 16-33451874-A-G-4.584Likely Benign0.674Likely PathogenicLikely Benign0.126Likely Benign-3.06Deleterious0.886Possibly Damaging0.522Possibly Damaging3.55Benign0.00Affected3.775120.00.98
c.453C>AD151ELikely BenignUncertain 1-5.662Likely Benign0.886Likely PathogenicAmbiguous0.142Likely Benign-2.02Neutral0.984Probably Damaging0.967Probably Damaging3.99Benign0.11Tolerated3.615320.014.03
c.502C>TH168YLikely BenignBenign 1-8.914Likely Pathogenic0.264Likely BenignLikely Benign0.065Likely Benign-1.53Neutral0.192Benign0.062Benign4.18Benign0.01Affected4.323021.926.03
c.603T>AD201E
(3D Viewer)
Likely BenignPHBenign 1-2.640Likely Benign0.406AmbiguousLikely Benign0.165Likely Benign0.42Likely Benign0.21.99Ambiguous1.21Ambiguous0.23Likely Benign-0.69Neutral0.633Possibly Damaging0.108Benign4.30Benign1.00Tolerated3.469320.014.03258.7-24.80.90.1-0.30.2XUncertainAsp201, an acidic residue located in the N-terminal loop before the first anti-parallel β sheet strand (res. Ile205-Pro208), is replaced by another acidic residue, glutamate. The carboxylate groups of both Asp201 and Glu201 side chains form hydrogen bonds with the hydroxyl group of Ser221 in the simulations. Due to its shorter side chain, Asp201 can also hydrogen bond with the backbone amide groups of neighboring loop residues Ser204 and Asp203. However, since the model ends abruptly at the N-terminus, no definite conclusions can be drawn from the simulations.
c.603T>GD201E
(3D Viewer)
Likely BenignPHConflicting 26-33435245-T-G201.24e-5-2.640Likely Benign0.406AmbiguousLikely Benign0.165Likely Benign0.42Likely Benign0.21.99Ambiguous1.21Ambiguous0.23Likely Benign-0.69Neutral0.633Possibly Damaging0.108Benign4.30Benign1.00Tolerated3.469320.014.03258.7-24.80.90.1-0.30.2XUncertainAsp201, an acidic residue located in the N-terminal loop before the first anti-parallel β sheet strand (res. Ile205-Pro208), is replaced by another acidic residue, glutamate. The carboxylate groups of both Asp201 and Glu201 side chains form hydrogen bonds with the hydroxyl group of Ser221 in the simulations. Due to its shorter side chain, Asp201 can also hydrogen bond with the backbone amide groups of neighboring loop residues Ser204 and Asp203. However, since the model ends abruptly at the N-terminus, no definite conclusions can be drawn from the simulations.
c.73C>TR25WLikely BenignUncertain 26-33423482-C-T63.72e-6-5.133Likely Benign0.549AmbiguousLikely Benign0.158Likely Benign-1.60Neutral0.994Probably Damaging0.919Probably Damaging3.92Benign0.00Affected4.321-323.630.03
c.862G>AD288N
(3D Viewer)
Likely PathogenicC2Uncertain 16-33437767-G-A21.24e-6-10.535Likely Pathogenic0.521AmbiguousLikely Benign0.321Likely Benign-0.39Likely Benign0.10.01Likely Benign-0.19Likely Benign-0.03Likely Benign-3.73Deleterious0.999Probably Damaging0.997Probably Damaging1.78Pathogenic0.05Affected3.3823120.0-0.98
c.88C>TH30YLikely BenignUncertain 1-3.047Likely Benign0.115Likely BenignLikely Benign0.082Likely Benign-1.84Neutral0.273Benign0.478Possibly Damaging3.99Benign0.00Affected4.321021.926.03
c.910G>AD304N
(3D Viewer)
C2Uncertain 1-6.194Likely Benign0.391AmbiguousLikely Benign0.345Likely Benign0.30Likely Benign0.1-0.08Likely Benign0.11Likely Benign0.21Likely Benign-4.18Deleterious0.999Probably Damaging0.997Probably Damaging1.81Pathogenic0.03Affected3.3823120.0-0.98
c.819G>TE273D
(3D Viewer)
Likely BenignC2Benign 16-33437724-G-T21.24e-6-1.811Likely Benign0.058Likely BenignLikely Benign0.092Likely Benign0.26Likely Benign0.1-0.48Likely Benign-0.11Likely Benign-0.63Ambiguous1.99Neutral0.004Benign0.010Benign2.00Pathogenic1.00Tolerated3.3818320.0-14.03223.122.10.20.00.00.1XPotentially BenignThe negatively charged residue Glu273, located in a β hairpin loop (res. Glu273-Lys278) that connects two anti-parallel β sheet strands, is replaced with another negatively charged residue, aspartate. Because the C2 domain loop faces the membrane surface, the potentially crucial role of the carboxylate group of Glu273 or Asp273 on SynGAP-membrane association cannot be fully explored via solvent-only simulations.As a minor note, the neighboring residue Arg272, which stacks with the indole ring of the Trp362 side chain and directly faces RasGTPase, forms a salt bridge more often with Asp273 than with the non-mutated Glu273 in the simulations. Regardless, due to the similar physicochemical properties of the WT and variant residues at the membrane interface, the residue swap is likely to be well tolerated.
c.930G>CE310D
(3D Viewer)
Likely PathogenicC2Likely Pathogenic1-11.218Likely Pathogenic0.994Likely PathogenicLikely Pathogenic0.666Likely Pathogenic1.87Ambiguous0.52.39Destabilizing2.13Destabilizing1.04Destabilizing-2.76Deleterious0.997Probably Damaging0.992Probably Damaging1.19Pathogenic0.02Affected3.3819320.0-14.03232.627.20.10.00.10.1XPotentially BenignThe carboxylate group of Glu310, located in an anti-parallel β sheet strand (res. Thr305-Asn315), is ideally positioned to interact with the hydroxyl and backbone amide groups of Thr295 on a twisted anti-parallel β strand. Because the carboxylate group can also interact with the GAP domain residues (e.g., Gln612, Tyr614), Glu310 potentially plays a key role in maintaining the tertiary assembly between the C2 and GAP domains. In the variant simulations, the carboxylate group of Asp310 can form the same interactions as glutamate; however, due to its one hydrocarbon shorter length, the connections are less stable or less optimal.
c.1027G>AV343I
(3D Viewer)
Likely BenignC2Uncertain 26-33437932-G-A16.20e-7-6.020Likely Benign0.117Likely BenignLikely Benign0.020Likely Benign-0.27Likely Benign0.0-0.04Likely Benign-0.16Likely Benign-0.39Likely Benign-0.14Neutral0.159Benign0.084Benign1.98Pathogenic0.27Tolerated3.3725430.314.03240.2-26.9-0.20.2-0.20.2XPotentially BenignThe iso-propyl side chain of Val343, located in an anti-parallel β sheet strand (res. Gly341-Pro349), is packing against multiple hydrophobic residues of the C2 domain (e.g., Leu327, Leu274, Val365). In the variant simulations, the sec-butyl side chain of Ile343 is basically able to form the same interactions as valine due to its similar hydrophobic profile. The residue swap also does not seem to cause negative effects on the protein structure based on the simulations.
c.1221G>TQ407H
(3D Viewer)
Likely PathogenicC2Uncertain 1-10.526Likely Pathogenic0.830Likely PathogenicAmbiguous0.206Likely Benign0.59Ambiguous0.00.61Ambiguous0.60Ambiguous1.10Destabilizing-4.51Deleterious0.982Probably Damaging0.947Probably Damaging3.88Benign0.01Affected3.3828030.39.01
c.1231A>GI411V
(3D Viewer)
Likely BenignGAPLikely Benign 1-6.290Likely Benign0.385AmbiguousLikely Benign0.212Likely Benign0.74Ambiguous0.00.82Ambiguous0.78Ambiguous0.99Ambiguous-0.86Neutral0.935Possibly Damaging0.858Possibly Damaging3.90Benign0.27Tolerated3.382843-0.3-14.03233.328.2-0.20.0-0.20.0XPotentially BenignThe sec-butyl side chain of Ile411, located in the hydrophobic space between an anti-parallel β sheet strand (res. Pro398-Ile411) and an α helix (res. Asp684-Gln702), packs against multiple residues (e.g., Met409, Arg259). In the variant simulations, the side chain of Val411 is able to favorably fill the same hydrophobic niche despite its slightly smaller size. In short, the residue swap has no apparent negative effect on the structure based on the simulations.
c.1300G>AV434I
(3D Viewer)
Likely BenignGAPUncertain 16-33438205-G-A16.19e-7-6.999Likely Benign0.129Likely BenignLikely Benign0.192Likely Benign-0.04Likely Benign0.00.22Likely Benign0.09Likely Benign0.31Likely Benign-0.82Neutral0.947Possibly Damaging0.851Possibly Damaging3.53Benign0.18Tolerated3.3729430.314.03246.7-27.70.00.00.10.0XPotentially BenignThe iso-propyl side chain of Val434, located at the end of an α helix (res. Met414-Glu436), packs against hydrophobic residues in an interhelix space (e.g., Met430, Ala707, Leu711). In the variant simulations, the sec-butyl group of Ile434 is able to form the same hydrophobic interactions. Accordingly, the residue swap does not negatively affect the protein structure based on the simulations.
c.1354G>AV452I
(3D Viewer)
GAPUncertain 1-8.985Likely Pathogenic0.361AmbiguousLikely Benign0.218Likely Benign-0.08Likely Benign0.10.51Ambiguous0.22Likely Benign0.25Likely Benign-0.99Neutral0.947Possibly Damaging0.851Possibly Damaging3.26Benign0.05Affected430.314.03
c.1511A>GK504R
(3D Viewer)
Likely BenignGAPUncertain16-33438543-A-G21.24e-6-4.365Likely Benign0.088Likely BenignLikely Benign0.238Likely Benign0.13Likely Benign0.10.51Ambiguous0.32Likely Benign0.94Ambiguous-2.16Neutral0.002Benign0.015Benign-1.41Pathogenic0.11Tolerated3.373523-0.628.01
c.1663G>AV555I
(3D Viewer)
Likely BenignGAPUncertain 1-4.544Likely Benign0.084Likely BenignLikely Benign0.253Likely Benign-0.82Ambiguous0.0-0.41Likely Benign-0.62Ambiguous-0.55Ambiguous0.45Neutral0.002Benign0.002Benign-1.26Pathogenic1.00Tolerated430.314.03
c.1480A>GI494V
(3D Viewer)
GAPConflicting 26-33438512-A-G362.23e-5-7.102In-Between0.112Likely BenignLikely Benign0.439Likely Benign1.16Ambiguous0.00.71Ambiguous0.94Ambiguous1.02Destabilizing-0.83Neutral0.278Benign0.179Benign-1.30Pathogenic0.07Tolerated3.373543-0.3-14.03248.629.30.00.0-1.10.5XPotentially BenignThe sec-butyl side chain of Ile494, located in an α-helix (res. Leu489-Glu519), packs against hydrophobic residues (e.g., Phe484, Leu465, Trp572, Ala493, Met468) in an inter-helix space (res. Leu489-Glu519 and res. Ala461-Phe476). In the variant simulations, the hydrophobic iso-propyl side chain of Val494, which is of a similar size and has similar physicochemical properties to Ile494 in the WT, resides similarly in the inter-helix hydrophobic space. Thus, no negative effects on the protein structure are observed.
c.1851G>TE617D
(3D Viewer)
Likely BenignGAPUncertain 1-1.349Likely Benign0.241Likely BenignLikely Benign0.322Likely Benign0.12Likely Benign0.10.80Ambiguous0.46Likely Benign0.07Likely Benign-0.01Neutral0.994Probably Damaging0.979Probably Damaging-1.35Pathogenic0.88Tolerated3.3735230.0-14.03
c.1913A>GK638R
(3D Viewer)
Likely BenignGAPUncertain 1-2.700Likely Benign0.110Likely BenignLikely Benign0.216Likely Benign0.09Likely Benign0.1-0.04Likely Benign0.03Likely Benign0.53Ambiguous-2.55Deleterious0.649Possibly Damaging0.240Benign3.41Benign0.13Tolerated3.373123-0.628.01
c.218G>AR73KLikely BenignUncertain 16-33425826-G-A21.24e-6-4.033Likely Benign0.151Likely BenignLikely Benign0.077Likely Benign-0.46Neutral0.053Benign0.007Benign4.14Benign0.00Affected4.321230.6-28.01
c.2299A>GI767VLikely BenignUncertain 1-2.791Likely Benign0.064Likely BenignLikely Benign0.096Likely Benign0.10Neutral0.072Benign0.029Benign4.21Benign1.00Tolerated3.64643-0.3-14.03
c.1888A>GI630V
(3D Viewer)
GAPBenign/Likely benign 46-33440940-A-G593.66e-5-7.264In-Between0.145Likely BenignLikely Benign0.143Likely Benign1.33Ambiguous0.00.94Ambiguous1.14Ambiguous0.64Ambiguous-0.38Neutral0.018Benign0.011Benign-1.37Pathogenic0.35Tolerated3.373443-0.3-14.03235.026.2-0.10.0-0.30.1XPotentially BenignThe sec-butyl side chain of Ile630, located in an α helix (res. Glu617-Asn635), packs with hydrophobic residues (e.g., Phe594, Leu633, Ile626, Ile602) in the hydrophobic inter-helix space between two α helices (res. Glu617-Asn635 and res. Glu582-Met603).In the variant simulations, the iso-propyl side chain of Val630, which shares a similar size and physicochemical properties with Ile630 in the WT, maintains similar interactions in the inter-helix space. Although no negative structural effects are observed during the simulations, the implications of the residue swap on the complex formation with the GTPase, due to its location, cannot be investigated using solvent-only simulations.
c.2420A>TY807FLikely BenignSH3-binding motifUncertain 1-3.667Likely Benign0.073Likely BenignLikely Benign0.057Likely Benign0.14Neutral0.012Benign0.022Benign2.92Benign0.98Tolerated3.775734.1-16.00
c.2047A>GI683V
(3D Viewer)
Likely BenignGAPUncertain 16-33441306-A-G21.24e-6-7.588In-Between0.138Likely BenignLikely Benign0.112Likely Benign0.90Ambiguous0.00.60Ambiguous0.75Ambiguous0.76Ambiguous-0.78Neutral0.538Possibly Damaging0.080Benign3.35Benign0.14Tolerated3.421743-0.3-14.03215.629.10.00.0-0.70.1XPotentially BenignThe sec-butyl side chain of Ile683, located in an entangled α-α loop connecting the two α-helices (res. Ser641-Glu666 and res. Leu685-Val699), is sterically packed against His453 and Glu688. In the variant simulations, the iso-propyl side chain of Val683 has similar size and physicochemical properties as Ile630 in the WT, and thus, it is able to maintain similar interactions in the inter-helix space. Consequently, no negative structural effects are observed during the simulations due to the residue swap.
c.256G>AV86ILikely BenignUncertain 1-4.726Likely Benign0.338Likely BenignLikely Benign0.076Likely Benign-0.31Neutral0.267Benign0.097Benign3.94Benign0.00Affected4.321430.314.03
c.2578G>AV860ILikely BenignBenign 16-33443130-G-A211.30e-5-4.516Likely Benign0.095Likely BenignLikely Benign0.039Likely Benign-0.42Neutral0.009Benign0.006Benign4.24Benign0.00Affected3.775430.314.03
c.2596G>AV866ILikely BenignConflicting 36-33443148-G-A53.10e-6-4.652Likely Benign0.118Likely BenignLikely Benign0.059Likely Benign-0.39Neutral0.957Probably Damaging0.541Possibly Damaging2.69Benign0.27Tolerated3.824430.314.03
c.2695A>GI899VLikely BenignBenign 16-33443247-A-G63.72e-6-2.569Likely Benign0.074Likely BenignLikely Benign0.040Likely Benign0.09Neutral0.220Benign0.078Benign2.75Benign0.92Tolerated4.32443-0.3-14.03
c.3048C>AD1016ELikely BenignLikely Benign 16-33443600-C-A21.24e-6-3.422Likely Benign0.216Likely BenignLikely Benign0.017Likely Benign-0.37Neutral0.008Benign0.028Benign2.64Benign0.65Tolerated3.775230.014.03
c.3397A>GI1133VLikely BenignBenign 16-33443949-A-G221.48e-5-3.362Likely Benign0.067Likely BenignLikely Benign0.180Likely Benign0.06Neutral0.007Benign0.007Benign5.47Benign0.58Tolerated4.32343-0.3-14.0310.1016/j.ajhg.2020.11.011
c.3502A>GI1168VLikely BenignUncertain 1-3.263Likely Benign0.524AmbiguousLikely Benign0.363Likely Benign-0.14Neutral0.876Possibly Damaging0.643Possibly Damaging5.47Benign0.84Tolerated3.88343-0.3-14.03
c.37A>GI13VLikely BenignUncertain 1-2.497Likely Benign0.105Likely BenignLikely Benign0.110Likely Benign0.01Neutral0.000Benign0.000Benign4.25Benign0.00Affected43-0.3-14.03
c.4008G>CE1336DLikely BenignLikely Benign 1-3.344Likely Benign0.596Likely PathogenicLikely Benign0.062Likely Benign-1.92Neutral0.001Benign0.003Benign3.30Benign0.00Affected3.775230.0-14.03
c.103G>AV35ILikely BenignUncertain 16-33423512-G-A53.10e-6-3.764Likely Benign0.081Likely BenignLikely Benign0.017Likely Benign-0.32Neutral0.672Possibly Damaging0.369Benign4.16Benign0.00Affected4.321340.314.03
c.1417G>AV473I
(3D Viewer)
GAPUncertain 16-33438449-G-A16.20e-7-7.481In-Between0.418AmbiguousLikely Benign0.203Likely Benign-0.12Likely Benign0.01.20Ambiguous0.54Ambiguous-0.06Likely Benign-0.91Neutral0.929Possibly Damaging0.917Probably Damaging3.74Benign0.18Tolerated3.3734340.314.03
c.1447A>GI483V
(3D Viewer)
GAPConflicting 2-10.121Likely Pathogenic0.523AmbiguousLikely Benign0.228Likely Benign1.00Ambiguous0.00.27Likely Benign0.64Ambiguous1.02Destabilizing-0.86Neutral0.914Possibly Damaging0.921Probably Damaging3.23Benign0.03Affected3.373234-0.3-14.03
c.2503C>AL835MLikely BenignBenign 1-4.153Likely Benign0.121Likely BenignLikely Benign0.068Likely Benign-0.45Neutral0.999Probably Damaging0.977Probably Damaging2.67Benign0.12Tolerated3.77524-1.918.03
c.2998A>GI1000VLikely BenignUncertain 2-4.102Likely Benign0.098Likely BenignLikely Benign0.086Likely Benign-0.20Neutral0.437Benign0.170Benign2.76Benign0.81Tolerated4.32434-0.3-14.03
c.70G>AV24ILikely BenignUncertain 16-33423479-G-A95.58e-6-3.701Likely Benign0.137Likely BenignLikely Benign0.069Likely Benign-0.25Neutral0.043Benign0.031Benign3.96Benign0.00Affected4.321340.314.03
c.958G>AV320I
(3D Viewer)
Likely BenignC2Uncertain 1-5.220Likely Benign0.111Likely BenignLikely Benign0.027Likely Benign-0.27Likely Benign0.20.66Ambiguous0.20Likely Benign0.01Likely Benign-0.21Neutral0.198Benign0.114Benign1.77Pathogenic0.45Tolerated3.3823340.314.03

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