ClinVar Miner

Submissions for variant NM_012388.4(BLOC1S6):c.224C>T (p.Thr75Ile)

gnomAD frequency: 0.00003  dbSNP: rs768978261
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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 RCV001918972 SCV002183605 uncertain significance Hermansky-Pudlak syndrome 9 2021-08-20 criteria provided, single submitter clinical testing This sequence change replaces threonine with isoleucine at codon 75 of the BLOC1S6 protein (p.Thr75Ile). The threonine residue is highly conserved and there is a moderate physicochemical difference between threonine and isoleucine. This variant is present in population databases (rs768978261, ExAC 0.002%). This variant has not been reported in the literature in individuals affected with BLOC1S6-related conditions. 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. 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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