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| Gene | BTK |
| Variant | C481F |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | BTK C481F lies within the protein kinase domain of the Btk protein (UniProt.org). C481F confers resistance to BTK inhibitors (PMID: 25189416, PMID: 28178345, PMID: 27282255, PMID: 35639855) and results in loss of autophosphorylation (PMID: 25189416, PMID: 28178345, PMID: 27282255) and loss of kinase activity in an in vitro assay (PMID: 36183831), but maintains BCR signaling through activation of Hck in culture (PMID: 35639855), and therefore, its effect on Btk protein function is unknown. |
| Associated Drug Resistance | Y |
| Category Variants Paths |
BTK mutant BTK C481X BTK C481F |
| Transcript | NM_000061.3 |
| gDNA | chrX:g.101356176C>A |
| cDNA | c.1442G>T |
| Protein | p.C481F |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000061.3 | chrX:g.101356176C>A | c.1442G>T | p.C481F | RefSeq | GRCh38/hg38 |
| NM_000061.2 | chrX:g.101356176C>A | c.1442G>T | p.C481F | RefSeq | GRCh38/hg38 |
| NM_000061 | chrX:g.101356176C>A | c.1442G>T | p.C481F | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| BTK C481F | unknown |