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| Gene | CBL |
| Variant | R420Q |
| Impact List | missense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | CBL R420Q lies within the RING domain of the Cbl protein (PMID: 17446348). R420Q results in impaired internalization, ubiquitination, and degradation of Egfr and decreased inhibition of Erk1/2 phosphorylation (PMID: 25178484), and disrupts Cbl ubiquitin ligase activity, leading to activation of Flt3 signaling, and is transforming in cell culture in the presence of Flt3 (PMID: 17446348). |
| Associated Drug Resistance | |
| Category Variants Paths |
CBL mutant CBL exon9 CBL R420Q CBL mutant CBL inact mut CBL R420Q |
| Transcript | NM_005188.4 |
| gDNA | chr11:g.119278541G>A |
| cDNA | c.1259G>A |
| Protein | p.R420Q |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_005188 | chr11:g.119278541G>A | c.1259G>A | p.R420Q | RefSeq | GRCh38/hg38 |
| XM_011543057 | chr11:g.119278541G>A | c.1259G>A | p.R420Q | RefSeq | GRCh38/hg38 |
| NM_005188.4 | chr11:g.119278541G>A | c.1259G>A | p.R420Q | RefSeq | GRCh38/hg38 |
| NM_005188.3 | chr11:g.119278541G>A | c.1259G>A | p.R420Q | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| CBL R420Q | loss of function | FLT3 Inhibitor |