ClinVar Miner

Submissions for variant NM_000195.5(HPS1):c.1996G>A (p.Glu666Lys)

gnomAD frequency: 0.00001  dbSNP: rs121908385
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Broad Center for Mendelian Genomics, Broad Institute of MIT and Harvard RCV001829290 SCV002097052 uncertain significance Hermansky-Pudlak syndrome 2021-11-29 criteria provided, single submitter curation The p.Glu666Lys variant in HPS1 has been reported in 1 individual with Hermansky-Pudlak syndrome (PMID: 31723912) and has been identified in 0.006% (1/16198) of African/African-American chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP ID: rs121908385). Although this variant has been seen in the general population in a heterozygous state, its frequency is low enough to be consistent with a recessive carrier frequency. In vitro functional studies provide some evidence that the p.Glu666Lys variant may not impact protein function (PMID: 23103514). However, these types of assays may not accurately represent biological function. Computational prediction tools and conservation analyses do not provide strong support for or against an impact to the protein. In summary, the clinical significance of the p.Glu666Lys variant is uncertain. ACMG/AMP Criteria applied: PM2_supporting , BS3_supporting (Richards 2015).

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