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| Gene | KIT |
| Variant | D820Y |
| Impact List | missense |
| Protein Effect | gain of function |
| Gene Variant Descriptions | KIT D820Y lies within the protein kinase domain of the Kit protein (UniProt.org). D820Y results in constitutive phosphorylation of Kit and is transforming in cell culture (PMID: 19035443, PMID: 11984533), and has also been identified as a secondary drug mutation associated with imatinib resistance (PMID: 18488160). |
| Associated Drug Resistance | Y |
| Category Variants Paths |
KIT mutant KIT act mut KIT D820Y KIT mutant KIT exon17 KIT D820Y |
| Transcript | NM_000222.3 |
| gDNA | chr4:g.54733166G>T |
| cDNA | c.2458G>T |
| Protein | p.D820Y |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_000222.2 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| NM_000222 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| XM_005265741 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| NM_001385290.1 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| NM_000222.3 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| XM_005265741.1 | chr4:g.54733166G>T | c.2458G>T | p.D820Y | RefSeq | GRCh38/hg38 |
| Molecular Profile | Protein Effect | Treatment Approaches |
|---|---|---|
| KIT D820Y | gain of function | KIT Inhibitor |
| KIT V559D KIT D820Y | ||
| KIT V555_L576del KIT D820G KIT D820Y | ||
| KIT Y568_L576delinsCV KIT D816E KIT D820Y | ||
| KIT Y553S KIT W557_Q575del KIT D820Y | ||
| KIT exon 11 del KIT D820Y | ||
| KIT P551_E554delinsQ KIT S645_L647dup KIT D820Y | ||
| ATM R3008H KIT V559D KIT D579del KIT D820Y KIT A829P |