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| Gene | KIT |
| Variant | D820G |
| Impact List | missense |
| Protein Effect | unknown |
| Gene Variant Descriptions | KIT D820G lies within the protein kinase domain of the Kit protein (UniProt.org). D820G has been associated with tyrosine kinase inhibitor resistance (PMID: 18488160), but has not been biochemically characterized and therefore, its effect on Kit protein function is unknown (PubMed, Nov 2025). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
KIT mutant KIT exon17 KIT D820G |
| Transcript | NM_000222.3 |
| gDNA | chr4:g.54733167A>G |
| cDNA | c.2459A>G |
| Protein | p.D820G |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| XM_005265741 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| NM_000222.3 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| NM_001385290.1 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| XM_005265741.1 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| NM_000222.2 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| NM_000222 | chr4:g.54733167A>G | c.2459A>G | p.D820G | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| KIT D820G | Advanced Solid Tumor | sensitive | Nintedanib | Preclinical - Cell culture | Actionable | In a preclinical study, Ofev (nintedanib) inhibited proliferation of transformed cells expressing KIT D820G in culture (PMID: 35194937). | 35194937 |