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ABR p.Ala693=

c.2079G>A · rs149677223 · VCV2647181

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.484%, nfe)

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 -8.5GERP -4.3
Overall
CADD0.398PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.484% European (non-Finnish) · 5,640/1,164,300 alleles
Filtering AF 0.474% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.47%
Overall 0.411% 6,540/1,591,812 alleles · rare
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.484% 206
Ashkenazi Jewishnot grpmax-eligible 0.398% 251
Remaining individualsnot grpmax-eligible 0.356% 281
African / African-American 0.246% 406
Finnishnot grpmax-eligible 0.207% 484
Admixed American 0.176% 567
South Asian 0.154% 650
Middle Eastern 0.134% 747
East Asian 0.00676% 14,793

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
ABR
Protein
p.Ala693=
Coding
c.2079G>A
MANE Select
NM_021962
dbSNP
rs149677223
Type
single nucleotide variant
Location
chr17:1011868 (GRCh38)
Gene constraint
LOEUF 0.431 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Structure
AlphaFold pLDDT 79.10
Residue 693
the rho-gap domain
Full ABR 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/abr-p-ala693 (accessed [today's date]).

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