ClinVar Miner

Submissions for variant NM_000313.4(PROS1):c.1147T>C (p.Trp383Arg)

dbSNP: rs1708453757
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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 RCV001052350 SCV001216557 uncertain significance Thrombophilia due to protein S deficiency, autosomal recessive 2019-12-14 criteria provided, single submitter clinical testing This variant is not present in population databases (ExAC no frequency). 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. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be disruptive, but these predictions have not been confirmed by published functional studies and their clinical significance is uncertain. This variant has been observed in individual(s) with protein S deficiency (PMID: 11776305). This variant is also known as p.W342R in the literature. This sequence change replaces tryptophan with arginine at codon 383 of the PROS1 protein (p.Trp383Arg). The tryptophan residue is highly conserved and there is a moderate physicochemical difference between tryptophan and arginine.

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