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TP63 p.Phe306=

c.918C>T · rs779741406 · VCV2148602

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0108%, nfe)
Conditions
1
TP63-Related Spectrum Disorders

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 3.4GERP 1.9, phastCons 1
Overall
CADD10.8PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0108% European (non-Finnish) · 128/1,179,960 alleles
Filtering AF 0.00928% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00871%
Overall 0.00805% 130/1,613,946 alleles · ultra-rare exomes 127/1,461,762 · genomes 3/152,184 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.0108% 9,218
Remaining individualsnot grpmax-eligible 0.0032% 31,232

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
TP63
Protein
p.Phe306=
Coding
c.918C>T
MANE Select
NM_003722
dbSNP
rs779741406
Type
single nucleotide variant
Location
chr3:189867868 (GRCh38)
Gene constraint
LOEUF 0.296 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 63.70 · 26 PDB
Residue 306
a β-strand; a DNA-binding region
Full TP63 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

TP63-Related Spectrum Disorders

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/tp63-p-phe306 (accessed [today's date]).

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