ClinVar Miner

Submissions for variant NM_000474.4(TWIST1):c.350A>G (p.Glu117Gly)

dbSNP: rs1554442016
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV003766897 SCV004574051 pathogenic TWIST1-related craniosynostosis; Saethre-Chotzen syndrome 2023-09-30 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This variant disrupts the p.Glu117 amino acid residue in TWIST1. Other variant(s) that disrupt this residue have been observed in individuals with TWIST1-related conditions (PMID: 27884935, 28369379, 30450715), which suggests that this may be a clinically significant amino acid residue. Experimental studies have shown that this missense change affects TWIST1 function (PMID: 28369379). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be disruptive. ClinVar contains an entry for this variant (Variation ID: 444876). This missense change has been observed in individual(s) with TWIST1-related conditions (PMID: 28369379). In at least one individual the variant was observed to be de novo. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces glutamic acid, which is acidic and polar, with glycine, which is neutral and non-polar, at codon 117 of the TWIST1 protein (p.Glu117Gly).
OMIM RCV000513176 SCV000609460 pathogenic Sweeney-Cox syndrome 2017-10-26 no assertion criteria provided literature only

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