ClinVar Miner

Submissions for variant NM_001083962.2(TCF4):c.998C>T (p.Ser333Phe)

dbSNP: rs2057699910
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001238426 SCV001411235 likely pathogenic Pitt-Hopkins syndrome 2019-10-07 criteria provided, single submitter clinical testing This sequence change replaces serine with phenylalanine at codon 333 of the TCF4 protein (p.Ser333Phe). The serine residue is moderately conserved and there is a large physicochemical difference between serine and phenylalanine. This variant is not present in population databases (ExAC no frequency). This variant has been observed in individual(s) with clinical features of Pitt-Hopkins syndrome (Invitae). In at least one individual the variant was observed to be de novo. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). In summary, the currently available evidence indicates that the variant is pathogenic, but additional data are needed to prove that conclusively. Therefore, this variant has been classified as Likely Pathogenic.

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