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| Gene | KIT |
| Variant | D820A |
| Impact List | missense |
| Protein Effect | gain of function - predicted |
| Gene Variant Descriptions | KIT D820A lies within the protein kinase domain of the Kit protein (UniProt.org). D820A has been demonstrated to occur as a secondary drug resistance mutation (PMID: 16954519, PMID: 31363162), and results in reduced Kit protein expression and stability, abnormal cellular localization, but constitutive Kit phosphorylation in the absence of Pkc in cell culture (PMID: 27440273), and therefore, is predicted to lead to a gain of Kit protein function. |
| Associated Drug Resistance | Y |
| Category Variants Paths |
KIT mutant KIT act mut KIT D820A KIT mutant KIT exon17 KIT D820A |
| Transcript | NM_000222.3 |
| gDNA | chr4:g.54733167A>C |
| cDNA | c.2459A>C |
| Protein | p.D820A |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001385290.1 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| NM_000222 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| XM_005265741 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| XM_005265741.1 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| NM_000222.2 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| NM_000222.3 | chr4:g.54733167A>C | c.2459A>C | p.D820A | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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