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| Gene | FGFR3 |
| Variant | K650E |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | FGFR3 K650E (also referred to as K652E from the FGFR3IIIb isoform) lies within the protein kinase domain of the Fgfr3 protein (UniProt.org). K650E confers a gain of function to the Fgfr3 protein as demonstrated by constitutive activation (PMID: 11055896), a growth advantage in a competition assay (PMID: 34272467), and transformation of cells in culture (PMID: 11157491, PMID: 34272467). |
| Associated Drug Resistance | |
| Category Variants Paths |
FGFR3 mutant FGFR3 act mut FGFR3 K650E |
| Transcript | NM_000142.5 |
| gDNA | chr4:g.1806162A>G |
| cDNA | c.1948A>G |
| Protein | p.K650E |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000142 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_047449823.1 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_001354809.2 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_006713873.1 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_001354810.2 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_047449824.1 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_001354810.1 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_000142.5 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_011513422 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_011513422.1 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_011513422.2 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_000142.4 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_006713872 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| NM_001354809.1 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_047449822.1 | chr4:g.1806159A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_006713873.2 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| XM_006713873 | chr4:g.1806162A>G | c.1948A>G | p.K650E | RefSeq | GRCh38/hg38 |
| Clinical Trial | Phase | Therapies | Title | Recruitment Status | Covered Countries | Other Countries |
|---|---|---|---|---|---|---|
| NCT04424966 | Phase 0 | Infigratinib | Infigratinib in Recurrent High-Grade Glioma Patients | Terminated | USA | 0 |
| NCT04972253 | Phase I | Infigratinib | Phase I BLASST-3 Trial ((BLASST)-3) | Withdrawn | 0 |