Table 2. In silico pathogenicity analysis of novel RB1 variants and prediction of protein stability changes upon single amino acid mutations.
Cases | Mutation types | Prediction of pathogenicity |
Prediction of protein stability change |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
MutPred2 | MutationTaster | Polyphen-2 | SIFT | PROVEAN | Human Splicing Finder | MaxEntScan | MUpro | iPTREE-STAB | iStable | ||
RB723 | MS | Disease-associated | Disease causing | Benign | Damaging | Neutral | - | - | Decreased stability | Stabilizing | Destabilizing |
RB380 | MS | Disease-associated | Disease causing | Probably damaging | Damaging | Deleterious | - | - | Decreased stability | Destabilizing | Destabilizing |
RB709 | FS | Pathogenic | Disease causing | - | - | - | - | - | - | - | - |
RB103 | FS | Pathogenic | Disease causing | - | - | - | - | - | - | - | - |
RB339 | FS | Pathogenic | Disease causing | - | - | - | - | - | - | - | - |
RB140 | SP | - | - | - | - | - | Broken WT acceptor site | Broken splice site | - | - | - |
Novel variant in promoter region detected in RB214 and RB187 involves transcriptional initiation site [7]. Abbreviations: MS, missense; FS, frameshift; SP, splicing; WT, wild-type.