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| Gene | BTK |
| Variant | V416L |
| Impact List | missense |
| Protein Effect | loss of function - predicted |
| Gene Variant Descriptions | BTK V416L lies within the protein kinase domain of the Btk protein (UniProt.org). V416L retains Akt and Erk phosphorylation in culture (PMID: 35196427, PMID: 36661329), but results in decreased Btk autophosphorylation and loss of kinase activity in culture (PMID: 38301010), decreased Btk and Plcg2 phosphorylation and increased calcium ion flux in culture, and demonstrates resistance to BTK inhibitors in culture (PMID: 35196427, PMID: 36661329), and therefore, is predicted to lead to a loss of Btk protein function. |
| Associated Drug Resistance | Y |
| Category Variants Paths |
BTK mutant BTK inact mut BTK V416L |
| Transcript | NM_000061.3 |
| gDNA | chrX:g.101356887C>G |
| cDNA | c.1246G>C |
| Protein | p.V416L |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000061.2 | chrX:g.101356887C>G | c.1246G>C | p.V416L | RefSeq | GRCh38/hg38 |
| NM_000061.3 | chrX:g.101356887C>G | c.1246G>C | p.V416L | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| BTK V416L | loss of function - predicted |