Is ERCC2 p.Pro308Ser (c.922C>T) pathogenic?

ERCC2 p.Pro308Ser (c.922C>T) is classified Uncertain significance in ERCC2 (ClinVar, Single submitter, 1 submitter; last evaluated 2021-08-03). AlphaMissense: likely pathogenic (0.8033); Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with ERCC2 p.Pro308Ser (c.922C>T)?

ERCC2 p.Pro308Ser (c.922C>T) is associated with Inborn genetic diseases (ClinVar).

How common is ERCC2 p.Pro308Ser (c.922C>T) in the general population?

ERCC2 p.Pro308Ser (c.922C>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ERCC2 p.Pro308Ser (c.922C>T)?

AlphaMissense predicts likely pathogenic (score 0.8033) — an in-silico prediction, not a clinical call.

ERCC2 p.Pro308Ser

c.922C>T · rs2514029715 · VCV1766261

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.8033 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,549,000)

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.8033	likely pathogenic
REVEL	0.659	pathogenic-leaning
SaProt	LLR -12.10	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 1.7, phastCons 1
Regional constraint	o/e 0.98	unconstrained · MANE · 17 kb · p 0.48 · regional, not allelic
Overall
CADD	28.9	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,549,000). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: ERCC2
Protein: p.Pro308Ser
Coding: c.922C>T
MANE Select: NM_000400
dbSNP: rs2514029715
Type: single nucleotide variant
Location: chr19:45364013 (GRCh38)
Gene constraint: LOEUF 1.089 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 87.74 · 55 PDB

Full ERCC2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

ERCC2 p.Pro308= Likely benign ★★ same residue
ERCC2 p.Pro308Leu 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.Ala144Val 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-pro308ser (accessed [today's date]).

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