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ERCC8 p.Ser209=

c.627T>C · rs547750449 · VCV766474

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0267%, amr)

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
ConservationphyloP 4.7GERP 0.33, phastCons 1
Overall
CADD9.399PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0267% Admixed American · 16/59,958 alleles
Filtering AF 0.0166% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0136%
Overall 0.00112% 18/1,607,810 alleles · ultra-rare
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.0267% 3,747
Remaining individualsnot grpmax-eligible 0.00321% 31,155

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
ERCC8
Protein
p.Ser209=
Coding
c.627T>C
MANE Select
NM_000082
dbSNP
rs547750449
Type
single nucleotide variant
Location
chr5:60899718 (GRCh38)
Gene constraint
LOEUF 1.608 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 91.72 · 16 PDB
Residue 209
a turn
Full ERCC8 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/ercc8-p-ser209 (accessed [today's date]).

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