Is CDK4 p.Asp228His (c.682G>C) pathogenic?

CDK4 p.Asp228His (c.682G>C) is classified Uncertain significance in CDK4 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-03-13). AlphaMissense: ambiguous (0.4391); Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with CDK4 p.Asp228His (c.682G>C)?

CDK4 p.Asp228His (c.682G>C) is associated with hereditary neoplastic syndrome (ClinVar).

How common is CDK4 p.Asp228His (c.682G>C) in the general population?

CDK4 p.Asp228His (c.682G>C) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about CDK4 p.Asp228His (c.682G>C)?

AlphaMissense predicts ambiguous (score 0.4391) — an in-silico prediction, not a clinical call.

CDK4 p.Asp228His

c.682G>C · VCV3830872

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4391 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

1/2 damaging

REVEL, SaProt · AlphaMissense no call

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
AlphaMissense	0.4391	ambiguous
REVEL	0.214	benign-leaning
SaProt	LLR -10.51	damaging
⇒ SaProt calls this damaging; REVEL does not; AlphaMissense makes no call.
Splicing
SpliceAI	—	not looked up on this page · why
Constraint at this position
Conservation	phyloP 7.5	GERP 2, phastCons 1
Regional constraint	o/e 0.74	unconstrained · MANE · 3,189 bp · p 2e-07 · regional, not allelic
Overall
CADD	31.0	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: CDK4
Protein: p.Asp228His
Coding: c.682G>C
MANE Select: NM_005981 · reported on NM_000075
Type: single nucleotide variant
Location: chr12:57749455 (GRCh38)

Full CDK4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

hereditary neoplastic syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

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/cdk4-p-asp228his (accessed [today's date]).

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