CD81 p.Ser177=
c.531G>A · rs769264464 · VCV1487213
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0101%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.009 | strongly benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -8.5 | GERP -2.9 |
| Overall | ||
| CADD | 1.883 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0101%
European (non-Finnish) · 119/1,179,516 alleles
Filtering AF
0.00859%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00804%
Overall
0.00775%
125/1,612,006 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| European (non-Finnish)grpmax | 0.0101% | 9,912 |
| Remaining individualsnot grpmax-eligible | 0.0048% | 20,816 |
| East Asian | 0.00446% | 22,440 |
| Admixed American | 0.00167% | 59,992 |
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
- CD81
- Protein
- p.Ser177=
- Coding
- c.531G>A
- MANE Select
- NM_004356
- dbSNP
- rs769264464
- Type
- single nucleotide variant
- Location
- chr11:2395940 (GRCh38)
- Gene constraint
- LOEUF 0.702 · pLI 0.36 (gnomAD)
- Structure
- AlphaFold pLDDT 87.24 · 16 PDB
- Residue 177
- a disulfide bond
Similar variants
- CD81 p.Ser177Leu Uncertain significance ★ ⚠ same residue
- CD81 c.561+5G>A Uncertain significance ★★ same type
- CD81 p.Ala120Thr Uncertain significance ★★ ⚠ same type
- CD81 p.Ala54Val Uncertain significance ★★ ⚠ same type
- CD81 p.Arg231Gln Uncertain significance ★★ ⚠ same type
- CD81 p.Asn115Ser Uncertain significance ★★ ⚠ same type
- CD81 p.Asn141Lys Uncertain significance ★★ ⚠ same type
- CD81 p.Asn141Ser 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/cd81-p-ser177 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown