ARHGAP31 p.Val771=
c.2313A>C · rs771128455 · VCV2191001
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0117%, amr)
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 | ||
| Conservation | phyloP 0.64 | GERP -3.9, phastCons 0.025 |
| Overall | ||
| CADD | 0.389 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0117%
Admixed American · 7/60,014 alleles
Filtering AF
0.00543%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0038%
Overall
0.00142%
23/1,614,088 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Admixed Americangrpmax | 0.0117% | 8,573 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,830 |
| European (non-Finnish) | 0.0011% | 90,772 |
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
- ARHGAP31
- Protein
- p.Val771=
- Coding
- c.2313A>C
- MANE Select
- NM_020754
- dbSNP
- rs771128455
- Type
- single nucleotide variant
- Location
- chr3:119414242 (GRCh38)
- Gene constraint
- LOEUF 0.38 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 43.32
- Residue 771
- the 'disordered' region
Similar variants
- ARHGAP31 p.Val771Ala Conflicting classifications of pathogenicity ★ ⚠ same residue
- ARHGAP31 p.Ala18Val Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Ala634Asp Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Arg1377Ser Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Arg199Gln Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Arg256Cys Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Arg426Gly Uncertain significance ★★ ⚠ same type
- ARHGAP31 p.Arg478His Uncertain significance ★★ ⚠ same type
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/arhgap31-p-val771 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown