Is CBL p.Pro428= (c.1284C>G) pathogenic?

CBL p.Pro428= (c.1284C>G) is classified Likely benign in CBL (ClinVar, Single submitter, 1 submitter; last evaluated 2025-06-14). Absent from gnomAD v4.1; Associated with Cardiovascular phenotype.

What condition is associated with CBL p.Pro428= (c.1284C>G)?

CBL p.Pro428= (c.1284C>G) is associated with Cardiovascular phenotype (ClinVar).

How common is CBL p.Pro428= (c.1284C>G) in the general population?

CBL p.Pro428= (c.1284C>G) is absent from gnomAD v4.1 (gnomAD).

CBL p.Pro428=

c.1284C>G · VCV3996096

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

Cardiovascular phenotype

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
Conservation	phyloP 0.42	GERP 0.41, phastCons 0.99
Overall
CADD	9.515	PHRED · no single calibrated threshold — expert panels disagree

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: CBL
Protein: p.Pro428=
Coding: c.1284C>G
MANE Select: NM_005188
Type: single nucleotide variant
Location: chr11:119278566 (GRCh38)
Gene constraint: LOEUF 0.622 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 64.27 · 34 PDB
Residue 428: the 'required for ubiquitination of spred2' region; a β-strand

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

Disease context

Cardiovascular phenotype — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

CBL p.Pro428Ser Uncertain significance ★★ same residue
CBL p.Ala187Ser Uncertain significance ★★ ⚠ same condition
CBL p.Ala187Val Uncertain significance ★★ ⚠ same condition
CBL p.Ala208Thr Uncertain significance ★★ ⚠ same condition
CBL p.Ala385Gly Uncertain significance ★★ ⚠ same condition
CBL p.Ala450Val Uncertain significance ★★ ⚠ same condition
CBL p.Ala513Thr Uncertain significance ★★ ⚠ same condition
CBL p.Ala556Gly Uncertain significance ★★ ⚠ 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/cbl-p-pro428 (accessed [today's date]).

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