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HR p.Ala645=

c.1935G>A · VCV3645806

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.026%, afr)

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 -12GERP -3.1
Overall
CADD0.322PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.026% African / African-American · 19/73,174 alleles
Filtering AF 0.017% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0141%
Overall 0.00232% 36/1,554,014 alleles · ultra-rare exomes 27/1,401,806 · genomes 9/152,208 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.026% 3,851
Remaining individualsnot grpmax-eligible 0.00332% 30,106
European (non-Finnish) 0.00131% 76,585

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
HR
Protein
p.Ala645=
Coding
c.1935G>A
MANE Select
NM_005144
Type
single nucleotide variant
Location
chr8:22122860 (GRCh38)
Gene constraint
LOEUF 0.848 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.65
Full HR 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/hr-p-ala645 (accessed [today's date]).

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