Send feedback

HPS3 p.Ala759=

c.2277A>T · rs763334623 · VCV1541375

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00446%, eas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 0.13GERP -1.6, phastCons 0.12
Overall
CADD7.509PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00446% East Asian · 2/44,890 alleles
Filtering AF 0.000739% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000276%
Overall 0.000124% 2/1,613,880 alleles · very rare

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene
HPS3
Protein
p.Ala759=
Coding
c.2277A>T
MANE Select
NM_032383
dbSNP
rs763334623
Type
single nucleotide variant
Location
chr3:149162318 (GRCh38)
Gene constraint
LOEUF 0.684 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 82.67
Full HPS3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/hps3-p-ala759 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown