ERCC2 p.Asp277=
c.831C>T · rs547544775 · VCV1762912
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0143%, sas)
Conditions
1
Inborn genetic diseases
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 -5.9 | GERP -3.4 |
| Overall | ||
| CADD | 3.168 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0143%
South Asian · 13/90,668 alleles
Filtering AF
0.00848%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00664%
Overall
0.00118%
19/1,610,052 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.0143% | 6,974 |
| East Asian | 0.00223% | 44,774 |
| European (non-Finnish) | 0.000424% | 235,752 |
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
- ERCC2
- Protein
- p.Asp277=
- Coding
- c.831C>T
- MANE Select
- NM_000400
- dbSNP
- rs547544775
- Type
- single nucleotide variant
- Location
- chr19:45364104 (GRCh38)
- Gene constraint
- LOEUF 1.089 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 87.74 · 55 PDB
- Residue 277
- the helicase atp-binding domain
Similar variants
- MAG p.Gly277= Likely benign ★ same residue
- ERCC2 p.Ala725Pro Pathogenic/Likely pathogenic ★★ same condition
- ERCC2 p.Arg616Pro Pathogenic ★★ same condition
- ERCC2 p.Ala108Thr Uncertain significance ★★ ⚠ same condition
- ERCC2 p.Ala144Val Uncertain significance ★★ ⚠ same condition
- ERCC2 p.Ala226Thr Uncertain significance ★★ ⚠ same condition
- ERCC2 p.Ala306Val Uncertain significance ★★ ⚠ same condition
- ERCC2 p.Ala318Gly Uncertain significance ★★ ⚠ same condition
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/ercc2-p-asp277 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown