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| Gene | BTK |
| Variant | G409R |
| Impact List | missense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | BTK G409R lies within the protein kinase domain of the Btk protein (UniProt.org). G409R results in loss of kinase activity and reduced Btk and Plcg2 phosphorylation, increased Akt phosphorylation, and a greater sustained calcium influx upon IgM stimulation, and demonstrates resistance to BTK inhibitors in culture (PMID: 36661329). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
BTK mutant BTK inact mut BTK G409R |
| Transcript | NM_000061.3 |
| gDNA | chrX:g.101356908C>T |
| cDNA | c.1225G>A |
| Protein | p.G409R |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000061.3 | chrX:g.101356908C>T | c.1225G>A | p.G409R | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| BTK G409R | loss of function |