ClinVar Miner

Submissions for variant NM_001352514.2(HLCS):c.2251G>A (p.Val751Met)

dbSNP: rs1555882115
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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 RCV000634878 SCV000756236 uncertain significance Holocarboxylase synthetase deficiency 2021-09-19 criteria provided, single submitter clinical testing This sequence change replaces valine with methionine at codon 604 of the HLCS protein (p.Val604Met). The valine residue is moderately conserved and there is a small physicochemical difference between valine and methionine. This variant is not present in population databases (ExAC no frequency). This missense change has been observed in individual(s) with clinical features of HLCS-related conditions (Invitae). 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: "Deleterious"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

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