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XPC p.Ala871=

c.2613A>C · rs1244244600 · VCV1658750

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00034%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -3.7GERP -3.4
Overall
CADD0.365PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00034% European (non-Finnish) · 4/1,177,964 alleles
Filtering AF 8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 5.4e-05%
Overall 0.000249% 4/1,607,442 alleles · very rare exomes 0/1,455,796 · genomes 4/151,646 · 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
XPC
Protein
p.Ala871=
Coding
c.2613A>C
MANE Select
NM_004628
dbSNP
rs1244244600
Type
single nucleotide variant
Location
chr3:14146151 (GRCh38)
Gene constraint
LOEUF 1.023 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 67.67 · 18 PDB
Residue 871
the 'disordered' region; the 'interaction with ercc2 and gtf2h1' region
Full XPC gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-ala871 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown