CBL Y455_D456del
Gene Variant Detail

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Gene CBL
Variant Y455_D456del
Impact List deletion
Protein Effect unknown
Gene Variant Descriptions CBL Y455_D456del results in the deletion of two amino acids of the Cbl protein from amino acids 455 to 456 (UniProt.org). Y455_D456del has been identified in sequencing studies (PMID: 25017477), but has not been biochemically characterized and therefore, its effect on Cbl protein function is unknown (PubMed, Aug 2025).
Associated Drug Resistance
Category Variants Paths

CBL mutant CBL exon9 CBL Y455_D456del

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Transcript NM_005188.4
gDNA chr11:g.119278645_119278650delTATGAT
cDNA c.1363_1368delTATGAT
Protein p.Y455_D456delYD
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_005188 chr11:g.119278645_119278650delTATGAT c.1363_1368delTATGAT p.Y455_D456del RefSeq GRCh38/hg38
NM_005188.3 chr11:g.119278645_119278650delTATGAT c.1363_1368delTATGAT p.Y455_D456del RefSeq GRCh38/hg38
XM_011543057 chr11:g.119278645_119278650delTATGAT c.1363_1368delTATGAT p.Y455_D456del RefSeq GRCh38/hg38
NM_005188.4 chr11:g.119278645_119278650delTATGAT c.1363_1368delTATGAT p.Y455_D456delYD RefSeq GRCh38/hg38

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  • Separate multiple filter terms with a space. Any order may be used (i. e. a b c and c b a are equivalent )
  • Filtering will only apply to rows that are already loaded on the page. Filtering has no impact on query parameters.
  • Use quotes to match on a longer phrase with spaces (i.e. "mtor c1483f")

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
CBL mutant systemic mastocytosis not applicable N/A Guideline Prognostic CBL mutations are associated with an adverse prognosis in patients with systemic mastocytosis (NCCN.org). detail...
CBL mutant myelofibrosis not applicable N/A Guideline Prognostic CBL mutations are associated with inferior overall survival in patients with primary myelofibrosis (NCCN.org). detail...
CBL mutant bone marrow cancer sensitive Quizartinib Preclinical Actionable In a preclinical study, Vanflyta (quizartinib) reduced white blood cell counts and decreased myeloid cell invasion in a CBL mutant mouse model with myeloproliferative disorder (PMID: 22990016). 22990016
CBL mutant myelodysplastic/myeloproliferative neoplasm not applicable N/A Clinical Study Prognostic In clinical analyses, mutations in CBL were associated with adverse prognosis in patients with chronic myelomonocytic leukemia (PMID: 26230957, PMID: 23690417, PMID: 19901108). 26230957 19901108 23690417