XPC p.Ala193=
c.579G>A · rs764862516 · VCV794092
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00222%, sas)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 0.24 | GERP -0.26, phastCons 0.76 |
| Overall | ||
| CADD | 12.1 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00222%
South Asian · 2/90,280 alleles
Filtering AF
0.000368%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000138%
Overall
0.000311%
5/1,609,828 alleles · very rare
exomes 4/1,457,696 · genomes 1/152,132 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00222% | 45,140 |
| African / African-American | 0.00134% | 74,718 |
| European (non-Finnish) | 0.00017% | 588,994 |
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
- XPC
- Protein
- p.Ala193=
- Coding
- c.579G>A
- MANE Select
- NM_004628
- dbSNP
- rs764862516
- Type
- single nucleotide variant
- Location
- chr3:14167211 (GRCh38)
- Gene constraint
- LOEUF 1.023 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 67.67 · 18 PDB
Similar variants
- XPC c.104-2A>G Likely pathogenic ★★ same type
- XPC c.1872+1G>A Likely pathogenic ★★ same type
- XPC c.1872+1G>C Pathogenic/Likely pathogenic ★★ same type
- XPC c.2033+1G>A Pathogenic/Likely pathogenic ★★ same type
- XPC c.2251-1G>C Pathogenic ★★ same type
- XPC c.2420+2T>C Pathogenic/Likely pathogenic ★★ same type
- XPC c.299+1G>A Likely pathogenic ★★ same type
- XPC c.413-24A>G Pathogenic/Likely pathogenic ★★ 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/xpc-p-ala193 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown