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| Gene | FGFR3 |
| Variant | S249C |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | FGFR3 S249C lies within the linker region between IgD2 and IgD3 of the Fgfr3 protein (PMID: 19381019). S249C results in stabilized homodimer formation and constitutive Fgfr3 phosphorylation in vitro (PMID: 17384684), ligand-independent cell proliferation in culture (PMID: 19381019, PMID: 29533785), increased Akt signaling (PMID: 31316618), a growth advantage relative to wild-type Fgfr3 in a competition assay, and increased transformation activity in cultured cells (PMID: 34272467). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
FGFR3 mutant FGFR3 act mut FGFR3 S249C |
| Transcript | NM_000142.5 |
| gDNA | chr4:g.1801841C>G |
| cDNA | c.746C>G |
| Protein | p.S249C |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001354809.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_000142.5 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_022965.3 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713868.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513422.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513422 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_047449820.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713873.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001163213 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001354810.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513420 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001354809.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001163213.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_047449823.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713872 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513422.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_000142.4 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713870 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713870.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713869 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513420.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713869.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_011513420.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713871 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713873 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_047449821.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001354810.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713871.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_000142 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_001163213.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713868.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713871.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_022965 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_047449824.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713868 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713869.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713873.2 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_006713870.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| NM_022965.4 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| XM_047449822.1 | chr4:g.1801841C>G | c.746C>G | p.S249C | RefSeq | GRCh38/hg38 |
| Clinical Trial | Phase | Therapies | Title | Recruitment Status | Covered Countries | Other Countries |
|---|---|---|---|---|---|---|
| NCT05564416 | Phase II | Erdafitinib Atezolizumab + Erdafitinib | Testing Anti-Cancer Drugs Erdafitinib With or Without Atezolizumab in Patients With Localized Bladder Cancer Not Able to Receive Cisplatin Chemotherapy, NERA Trial | Withdrawn | 0 | |
| NCT04972253 | Phase I | Infigratinib | Phase I BLASST-3 Trial ((BLASST)-3) | Withdrawn | 0 | |
| NCT04917809 | Phase II | Erdafitinib | A Study of Oral Erdafitinib in People With Recurrent Non-Invasive Bladder Cancer | Active, not recruiting | USA | 0 |
| NCT05627063 | Phase I | ABSK121 | A Study to Assess Safety, Tolerability, and Pharmacokinetics of ABSK121-NX in Patients With Advanced Solid Tumors | Active, not recruiting | USA | 1 |