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| Gene | FGFR3 |
| Variant | R248_S249insC |
| Impact List | insertion |
| Protein Effect | gain of function - predicted |
| Gene Variant Descriptions | FGFR3 R248_S249insC results in the insertion of a cystine (C) in the extracellular domain of the Fgfr3 protein between amino acids 248 and 249 (UniProt.org). R248_S249insC results in a growth advantage in a competition assay and increased transformation activity in cultured cells (PMID: 34272467), and therefore, is predicted to lead to a gain of Fgfr3 protein function. |
| Associated Drug Resistance | |
| Category Variants Paths |
FGFR3 mutant FGFR3 act mut FGFR3 R248_S249insC |
| Transcript | NM_000142.5 |
| gDNA | chr4:g.1801840_1801841insGTT |
| cDNA | c.745_746insGTT |
| Protein | p.R248_S249insC |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| XM_047449822.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_047449823.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713871.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713870.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713868.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_022965.4 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001354809.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_011513422.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713873.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001354809.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001163213.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_011513420.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713869.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001163213.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713868.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713870.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_011513420.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_022965.3 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713869.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_047449821.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001354810.2 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713873.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_000142.4 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_011513422.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_006713871.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_047449820.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_000142.5 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| NM_001354810.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| XM_047449824.1 | chr4:g.1801840_1801841insGTT | c.745_746insGTT | p.R248_S249insC | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| FGFR3 R248_S249insC | Advanced Solid Tumor | predicted - resistant | E7090 | Preclinical - Cell culture | Actionable | In a preclinical study, cells expressing FGFR3 R248_S249insC were resistant to treatment with E7090 in culture (PMID: 34272467). | 34272467 |
| FGFR3 R248_S249insC | Advanced Solid Tumor | predicted - resistant | Dovitinib | Preclinical - Cell culture | Actionable | In a preclinical study, cells expressing FGFR3 R248_S249insC were resistant to treatment with Dovitinib (TKI258) in culture (PMID: 34272467). | 34272467 |