ERCC2 p.Ala144=
c.432G>A · rs372504564 · VCV1739769
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00445%, eas)
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 -15 | GERP -3 |
| Overall | ||
| CADD | 0.494 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00445%
East Asian · 2/44,896 alleles
Filtering AF
0.000738%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000276%
Overall
0.000434%
7/1,614,030 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00445% | 22,448 |
| African / African-American | 0.00133% | 74,946 |
| European (non-Finnish) | 0.000339% | 295,003 |
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.Ala144=
- Coding
- c.432G>A
- MANE Select
- NM_000400
- dbSNP
- rs372504564
- Type
- single nucleotide variant
- Location
- chr19:45365087 (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 144
- the helicase atp-binding domain; an α-helix
Similar variants
- ERCC2 p.Ala144Val Uncertain significance ★★ ⚠ same residue
- ERCC2 p.Ala144Thr Uncertain significance ★ ⚠ same residue
- MAG p.Val144Leu Uncertain significance ★ ⚠ 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.Ala226Thr Uncertain significance ★★ ⚠ same condition
- ERCC2 p.Ala306Val 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-ala144 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown