ITGA3 p.Gly271=
c.813T>C · rs2508928771 · VCV2011502
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00167%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal. | ||
| Splicing | ||
| SpliceAI | Δ0.20 | acceptor loss, 1 bp away · masked 0 · deltas |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP -1.7 | GERP -2.6 |
| Overall | ||
| CADD | 8.219 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00167%
Admixed American · 1/60,020 alleles
Overall
6.2e-05%
1/1,614,130 alleles · very rare
exomes 1/1,461,818 · genomes 0/152,312 · joint denominator
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
- ITGA3
- Protein
- p.Gly271=
- Coding
- c.813T>C
- MANE Select
- NM_002204
- dbSNP
- rs2508928771
- Type
- single nucleotide variant
- Location
- chr17:50071372 (GRCh38)
- Gene constraint
- LOEUF 0.69 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 83.88
Similar variants
- ITGA3 c.2070+1G>A Pathogenic ★★ same type
- ITGA3 p.Arg274Gln Likely pathogenic ★★ ⚠ same type
- ITGA3 p.Arg875Ter Likely pathogenic ★★ same type
- ITGA3 c.*48G>A Uncertain significance ★★ same type
- ITGA3 c.*96G>A Uncertain significance ★★ same type
- ITGA3 p.Ala1026Val Uncertain significance ★★ ⚠ same type
- ITGA3 p.Ala1035Val Uncertain significance ★★ ⚠ same type
- ITGA3 p.Arg156Trp 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/itga3-p-gly271 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown