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TFAP2B p.Asp159=

c.477C>T · rs1179960017 · VCV1981598

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00405%, afr)

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 -0.19GERP -0.94, phastCons 0.26
Overall
CADD6.675PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00405% African / African-American · 3/74,102 alleles
Filtering AF 0.00108% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000498%
Overall 0.000317% 5/1,579,136 alleles · very rare exomes 2/1,426,942 · genomes 3/152,194 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00405% 24,701
European (non-Finnish) 0.000172% 581,335

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.Asp159=
Coding
c.477C>T
MANE Select
NM_003221
dbSNP
rs1179960017
Type
single nucleotide variant
Location
chr6:50823802 (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-asp159 (accessed [today's date]).

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