CWC27 p.Val63=
c.189C>G · rs1443869672 · VCV1972073
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00268%, afr)
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 0.57 | GERP 3.2, phastCons 1 |
| Overall | ||
| CADD | 7.712 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00268%
African / African-American · 2/74,720 alleles
Filtering AF
0.000444%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000166%
Overall
0.000138%
2/1,452,130 alleles · very rare
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
- CWC27
- Protein
- p.Val63=
- Coding
- c.189C>G
- MANE Select
- NM_005869
- dbSNP
- rs1443869672
- Type
- single nucleotide variant
- Location
- chr5:64781970 (GRCh38)
- Gene constraint
- LOEUF 1.181 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 73.93 · 9 PDB
- Residue 63
- the ppiase cyclophilin-type domain; a UniProt-annotated variant site (in rpska); a β-strand
Similar variants
- CWC27 c.1152+2T>A Likely pathogenic ★★ same type
- CWC27 c.397-1G>A Likely pathogenic ★★ same type
- CWC27 c.938+2T>C Likely pathogenic ★★ same type
- CWC27 p.Arg143Ter Pathogenic/Likely pathogenic ★★ same type
- CWC27 p.Gln374Ter Pathogenic/Likely pathogenic ★★ same type
- CWC27 p.Glu165= Pathogenic ★★ same type
- CWC27 p.Tyr367Ter Pathogenic/Likely pathogenic ★★ same type
- CWC27 c.1042+5G>A 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/cwc27-p-val63 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown