Table 2.
KMT2D gene variants analysis
Patient | Mutation | Type of mutation | Predicted protein changes | Inheritance | Exon | PROVEAN prediction | SIFT prediction | Polyphen-2 prediction | Pathogenicity | Novelty | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score | Prediction* | Score | Prediction** | Score | Prediction | ||||||||
Patient 1 | c.12199C > T | Missense | p.Pro4067Ser | De novo | 39 | −1.663 | Neutral | 0 | Damaging | 0.085 | Benign | Undetermined | Novel |
c.16295G > A | Missense | p.Arg5432Gln | De novo | 51 | −3.695 | Deleterious | 0 | Damaging | 1.000 | Probably damaging | Confirmed | Kokitsu-Nakata et al | |
Patient 2 | c.4664C > T | Missense | p.Ser1555Phe | De novo | 17 | −0.958 | Neutral | 0.682 | Tolerated | 0.976 | Probably damaging | Undetermined | Novel |
Patient 3 | c.8639T > C | Missense | p.Leu2880Pro | De novo | 34 | −5.055 | Deleterious | 0 | Damaging | 1.000 | Probably damaging | Confirmed | Novel |
Patient 4 | c.3095delT | Frameshift indel | p.Leu1032Argfs24X | N/A | 11 | Confirmed | Novel | ||||||
Patient 5 | c.96C > G | Missense | p.Asp32Glu | De novo | 2 | 0.423 | Neutral | 0.106 | Tolerated | 0.001 | Benign | Undetermined | Novel |
Patient 6 | c.4395dupC | Frameshift indel | p.Lys1466Glnfs25X | N/A | 15 | Confirmed | Novel | ||||||
Patient 7 | c.11638C > A | Missense | p.Leu3880Met | N/A | 39 | 0.500 | Neutral | 0.008 | Damaging | 0.003 | Benign | Undetermined | Novel |
Patient 8 | c.4140T > A | Nonsense | p.Cys1370X | N/A | 14 | Confirmed | Novel | ||||||
c.11718-11723delGCAACA | Non-frameshift indel | p3907-3909delQQ | N/A | 39 | −1.298 | Neutral | Undetermined | Novel |
*Cutoff = -2.5.
**Cutoff = 0.05f.