BCAP31 p.Ile27=
c.81T>C · rs148588137 · VCV1590324
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.046%, mid)
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 4.7 | GERP 0.75, phastCons 1 |
| Overall | ||
| CADD | 11.46 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.046%
Middle Eastern · 2/4,350 alleles
Filtering AF
0.0237%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0195%
Overall
0.00687%
83/1,208,011 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.046% | 2,175 |
| Admixed American | 0.0373% | 2,679 |
| Remaining individualsnot grpmax-eligible | 0.0126% | 7,926 |
| European (non-Finnish) | 0.00637% | 15,696 |
| African / African-American | 0.00176% | 56,750 |
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
- BCAP31
- Protein
- p.Ile27=
- Coding
- c.81T>C
- MANE Select
- NM_001256447
- dbSNP
- rs148588137
- Type
- single nucleotide variant
- Location
- chrX:153723164 (GRCh38)
- Structure
- AlphaFold pLDDT 84.74 · 3 PDB
Similar variants
- BCAP31 p.Arg118Cys Uncertain significance ★★ ⚠ same type
- BCAP31 p.Glu245Lys Uncertain significance ★★ ⚠ same type
- BCAP31 p.Gly165Arg Uncertain significance ★★ ⚠ same type
- BCAP31 p.Gly239Asp Uncertain significance ★★ ⚠ same type
- BCAP31 p.Ile56Val Uncertain significance ★★ ⚠ same type
- BCAP31 p.Leu226Val Uncertain significance ★★ ⚠ same type
- BCAP31 p.Leu40Pro Uncertain significance ★★ ⚠ same type
- BCAP31 p.Lys30Arg 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/bcap31-p-ile27 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown