Is TP63 p.His443Pro (c.1328A>C) pathogenic?

TP63 p.His443Pro (c.1328A>C) is classified Uncertain significance in TP63 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-09-17). AlphaMissense: likely benign (0.1333); Absent from gnomAD v4.1; Associated with TP63-Related Spectrum Disorders.

What condition is associated with TP63 p.His443Pro (c.1328A>C)?

TP63 p.His443Pro (c.1328A>C) is associated with TP63-Related Spectrum Disorders (ClinVar).

How common is TP63 p.His443Pro (c.1328A>C) in the general population?

TP63 p.His443Pro (c.1328A>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about TP63 p.His443Pro (c.1328A>C)?

AlphaMissense predicts likely benign (score 0.1333) — an in-silico prediction, not a clinical call.

TP63 p.His443Pro

c.1328A>C · rs1718615606 · VCV1933320

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1333 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL indeterminate

Conditions

TP63-Related Spectrum Disorders

Computational evidence

Protein change
AlphaMissense	0.1333	likely benign
REVEL	0.493	indeterminate
SaProt	LLR -14.28	damaging
⇒ SaProt calls this damaging; AlphaMissense does not; REVEL is indeterminate.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 1.8, phastCons 1
Regional constraint	o/e 0.80	unconstrained · MANE · 26 kb · p 4.9e-05 · regional, not allelic
Overall
CADD	23.6	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: TP63
Protein: p.His443Pro
Coding: c.1328A>C
MANE Select: NM_003722
dbSNP: rs1718615606
Type: single nucleotide variant
Location: chr3:189872974 (GRCh38)
Gene constraint: LOEUF 0.296 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure: AlphaFold pLDDT 63.70 · 26 PDB
Residue 443: the 'oligomerization' region; the 'disordered' region

Full TP63 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

TP63-Related Spectrum Disorders

Similar variants

TP63 p.His443Tyr Uncertain significance ★ ⚠ same residue
TP63 p.Arg318His Pathogenic/Likely pathogenic ★★ same condition
TP63 p.Cys561Tyr Likely pathogenic ★★ same condition
TP63 p.Gly173Arg Pathogenic/Likely pathogenic ★★ same condition
TP63 p.Gly173Asp Pathogenic/Likely pathogenic ★★ same condition
TP63 p.Gly336Asp Pathogenic/Likely pathogenic ★★ same condition
TP63 p.Gly557Val Pathogenic/Likely pathogenic ★★ same condition
TP63 p.His247Arg Pathogenic ★★ same condition

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-his443pro (accessed [today's date]).

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