ERCC3 p.Ser128=
c.384C>T · rs764755476 · VCV738938
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0245%, eas)
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 -1.9 | GERP -4.7 |
| Overall | ||
| CADD | 6.687 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0245%
East Asian · 11/44,898 alleles
Filtering AF
0.0137%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0106%
Overall
0.00651%
105/1,614,004 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.0245% | 4,082 |
| European (non-Finnish) | 0.00771% | 12,967 |
| Remaining individualsnot grpmax-eligible | 0.0032% | 31,244 |
| African / African-American | 0.00133% | 74,918 |
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
- ERCC3
- Protein
- p.Ser128=
- Coding
- c.384C>T
- MANE Select
- NM_000122
- dbSNP
- rs764755476
- Type
- single nucleotide variant
- Location
- chr2:127292697 (GRCh38)
- Gene constraint
- LOEUF 0.797 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 76.34 · 56 PDB
- Residue 128
- an α-helix
Similar variants
- ERCC3 p.Ser128Ile Uncertain significance ★ ⚠ same residue
- ERCC3 c.1828-1G>C Likely pathogenic ★★ same type
- ERCC3 c.471+1G>A Pathogenic ★★ same type
- ERCC3 c.657+1G>A Likely pathogenic ★★ same type
- ERCC3 p.Arg109Ter Pathogenic/Likely pathogenic ★★ same type
- ERCC3 p.Arg195Ter Pathogenic ★★ same type
- ERCC3 p.Arg234Ter Pathogenic/Likely pathogenic ★★ same type
- ERCC3 p.Arg425Ter 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/ercc3-p-ser128 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown