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TP63 p.Pro377=

c.1131G>A · rs775491637 · VCV2907505

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0134%, eas)
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 -0.12GERP -2.3, phastCons 0.78
Overall
CADD8.473PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0134% East Asian · 6/44,882 alleles
Filtering AF 0.00579% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00394%
Overall 0.00297% 48/1,613,862 alleles · ultra-rare exomes 41/1,461,690 · genomes 7/152,172 · joint denominator
Ancestry group Frequency 1 in
East Asiangrpmax 0.0134% 7,480
South Asian 0.00769% 13,011
Remaining individualsnot grpmax-eligible 0.0048% 20,823
African / African-American 0.00401% 24,964
Admixed American 0.00333% 29,997
European (non-Finnish) 0.00229% 43,701

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.Pro377=
Coding
c.1131G>A
MANE Select
NM_003722
dbSNP
rs775491637
Type
single nucleotide variant
Location
chr3:189869325 (GRCh38)
Gene constraint
LOEUF 0.296 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 63.70 · 26 PDB
Residue 377
an α-helix; the 'disordered' region; the 'interaction with hipk2' 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-pro377 (accessed [today's date]).

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