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FOXA2 p.Ser33=

c.99C>G · rs776794043 · VCV2961641

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0134%, eas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI<0.2no splice effect predicted · four deltas, not one · how we know
Constraint at this position
ConservationphyloP -3.2GERP -4.2
Overall
CADD4.726PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0134% East Asian · 6/44,842 alleles
Filtering AF 0.00579% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00394%
Overall 0.000374% 6/1,602,168 alleles · ultra-rare exomes 6/1,449,854 · genomes 0/152,314 · joint denominator

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
FOXA2
Protein
p.Ser33=
Coding
c.99C>G
MANE Select
NM_021784
dbSNP
rs776794043
Type
single nucleotide variant
Location
chr20:22583143 (GRCh38)
Gene constraint
LOEUF 0.518 · pLI 0.97 (gnomAD)
Structure
AlphaFold pLDDT 58.29 · 3 PDB
Residue 33
the 'transactivation domain 1' region
Full FOXA2 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/foxa2-p-ser33 (accessed [today's date]).

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