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| Gene | KIT |
| Variant | D816I |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | KIT D816I lies within the tyrosine kinase domain 2 of the Kit protein (PMID: 17555444). D816I results in constitutive phosphorylation of Kit, increased phosphorylation of Gsk3beta, activation of Stat pathways, and is transforming in cell culture (PMID: 19865100, PMID: 20484085). |
| Associated Drug Resistance | |
| Category Variants Paths |
KIT mutant KIT act mut KIT D816I KIT mutant KIT exon17 KIT D816X KIT D816I |
| Transcript | NM_000222.3 |
| gDNA | chr4:g.54733154_54733155delGAinsAT |
| cDNA | c.2446_2447delGAinsAT |
| Protein | p.D816I |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001093772.2 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_001385292.1 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| XM_005265741.1 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_001385290.1 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_001093772 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| XM_017008179.1 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_000222.2 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_000222 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| XM_017008179 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| XM_005265741 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_001093772.1 | chr4:g.54733166_54733167delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| NM_000222.3 | chr4:g.54733154_54733155delGAinsAT | c.2446_2447delGAinsAT | p.D816I | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| KIT D816I | Advanced Solid Tumor | predicted - sensitive | IDRX-42 | Preclinical - Biochemical | Actionable | In a preclinical study, IDRX-42 inhibited kinase activity of KIT D816I in an vitro assay (PMID: 40018846). | 40018846 |