Is CBL p.Ser794Cys (c.2381C>G) pathogenic?

CBL p.Ser794Cys (c.2381C>G) is classified Uncertain significance in CBL (ClinVar, Multiple submitters, 3 submitters; last evaluated 2025-11-18). AlphaMissense: likely benign (0.1004); Very rare (popmax 0.00223%, eas); Associated with Cardiovascular phenotype.

What condition is associated with CBL p.Ser794Cys (c.2381C>G)?

CBL p.Ser794Cys (c.2381C>G) is associated with Cardiovascular phenotype, RASopathy (ClinVar).

How common is CBL p.Ser794Cys (c.2381C>G) in the general population?

CBL p.Ser794Cys (c.2381C>G) is very rare (popmax 0.00223%, eas) (gnomAD).

What do computational predictors say about CBL p.Ser794Cys (c.2381C>G)?

AlphaMissense predicts likely benign (score 0.1004) — an in-silico prediction, not a clinical call.

CBL p.Ser794Cys

c.2381C>G · rs201620100 · VCV2145341

Uncertain significance Multiple submitters

Classification

Uncertain significance

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 3 submitters

AlphaMissense

likely benign

0.1004 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00223%, eas)

Missense predictors

1/2 damaging

AlphaMissense, SaProt · REVEL no call

Conditions

Cardiovascular phenotype

Computational evidence

Protein change
AlphaMissense	0.1004	likely benign
REVEL	0.376	indeterminate
SaProt	LLR -11.44	damaging
⇒ SaProt calls this damaging; AlphaMissense does not; REVEL makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.6	GERP 1.6, phastCons 1
Regional constraint	o/e 1.05	unconstrained · MANE · 22 kb · p 0.19 · regional, not allelic
Overall
CADD	26.7	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

Grpmax group 0.00223% East Asian · 1/44,880 alleles

Filtering AF 2.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.1e-05%

Overall 0.000205% 3/1,461,876 alleles · very rare

Ancestry group	Frequency	1 in
East Asiangrpmax	0.00223%	44,880
European (non-Finnish)	0.000169%	590,016

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: CBL
Protein: p.Ser794Cys
Coding: c.2381C>G
MANE Select: NM_005188
dbSNP: rs201620100
Type: single nucleotide variant
Location: chr11:119298487 (GRCh38)
Gene constraint: LOEUF 0.622 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 64.27 · 34 PDB
Residue 794: the 'required for ubiquitination of spred2' region; the 'interaction with cd2ap' region

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

Also linked: RASopathy

Similar variants

CBL p.Ser794Phe Conflicting classifications of pathogenicity ★ ⚠ same residue
CBL c.1096-1G>C Pathogenic/Likely pathogenic ★★ same condition
CBL c.1096-1G>T Pathogenic ★★ same condition
CBL c.1228-2A>G Pathogenic/Likely pathogenic ★★ same condition
CBL p.Arg420Gln Pathogenic/Likely pathogenic ★★ same condition
CBL p.Arg420Leu Likely pathogenic ★★ same condition
CBL p.Gln367Arg Likely pathogenic ★★ same condition
CBL p.Gln367Pro Pathogenic/Likely 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/cbl-p-ser794cys (accessed [today's date]).

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