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| Gene | FGFR2 |
| Variant | H683L |
| Impact List | missense |
| Protein Effect | gain of function - predicted |
| Gene Variant Descriptions | FGFR2 H683L (corresponds to H682L in the canonical isoform) lies within the protein kinase domain of the Fgfr2 protein (UniProt.org). H683L (reported as H682L) results in growth factor-independent growth in a high-throughput cell culture assay (PMID: 41361008), and has been associated with resistance to Fgfr inhibitors in the context of an FGFR2 fusion in culture (PMID: 31109923), and therefore, is predicted to lead to a gain of Fgfr2 protein function. |
| Associated Drug Resistance | Y |
| Category Variants Paths |
FGFR2 mutant FGFR2 act mut FGFR2 H683L |
| Transcript | NM_001144913.1 |
| gDNA | chr10:g.121487366T>A |
| cDNA | c.2048A>T |
| Protein | p.H683L |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_022970 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| NM_001144913 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| NM_001144913.1 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| NM_001144913.1 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| NM_022970.4 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| NM_022970.3 | chr10:g.121487366T>A | c.2048A>T | p.H683L | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| FGFR2 H683L | gain of function - predicted | |
| FGFR2 fusion FGFR2 H683L |