Send feedback

TFAP2B p.Pro174=

c.522C>G · rs886061565 · VCV357276

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00217%, nfe)

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 -6.8GERP -4.2
Overall
CADD7.476PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00217% European (non-Finnish) · 25/1,152,376 alleles
Filtering AF 0.00149% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00126%
Overall 0.00173% 27/1,556,668 alleles · very rare exomes 21/1,405,104 · genomes 6/151,564 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00217% 46,095
Remaining individualsnot grpmax-eligible 0.00166% 60,404
African / African-American 0.00137% 73,064

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
TFAP2B
Protein
p.Pro174=
Coding
c.522C>G
MANE Select
NM_003221
dbSNP
rs886061565
Type
single nucleotide variant
Location
chr6:50823847 (GRCh38)
Gene constraint
LOEUF 0.353 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 65.95 · 1 PDB
Full TFAP2B 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/tfap2b-p-pro174 (accessed [today's date]).

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