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| Gene | FLT3 |
| Variant | N676S |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | FLT3 N676S lies within the protein kinase domain of the Flt3 protein (UniProt.org). N676S has been demonstrated to occur as a secondary resistance mutation in the context of FLT3 internal tandem duplication (FLT3-ITD) mutations (PMID: 25847190, PMID: 15374944, PMID: 31790499), but has not been biochemically characterized and therefore, its effect on Flt3 protein function is unknown (PubMed, Oct 2025). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
FLT3 mutant FLT3 exon16 FLT3 N676S |
| Transcript | NM_004119.3 |
| gDNA | chr13:g.28028204T>C |
| cDNA | c.2027A>G |
| Protein | p.N676S |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_004119.2 | chr13:g.28028204T>C | c.2027A>G | p.N676S | RefSeq | GRCh38/hg38 |
| NM_004119.3 | chr13:g.28028204T>C | c.2027A>G | p.N676S | RefSeq | GRCh38/hg38 |
| NM_004119 | chr13:g.28028204T>C | c.2027A>G | p.N676S | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|