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| Gene | CHEK2 |
| Variant | R474H |
| Impact List | missense |
| Protein Effect | loss of function |
| Gene Variant Descriptions | CHEK2 R474H lies within the protein kinase domain of the Chek2 protein (UniProt.org). R474H results in decreased Chek2 protein stability in culture (PMID: 34903604), loss of Kap1 phosphorylation at serine (S)-473 compared to wild-type Chek2 in culture and in vitro assays (PMID: 31050813, PMID: 34903604), and decreased Chek2 autophosphorylation in CHEK2-null cells in culture (PMID: 37449874). |
| Associated Drug Resistance | |
| Category Variants Paths |
CHEK2 mutant CHEK2 inact mut CHEK2 R474H |
| Transcript | NM_007194.4 |
| gDNA | chr22:g.28694072C>T |
| cDNA | c.1421G>A |
| Protein | p.R474H |
| Source Database | RefSeq |
| Genome Build | GRCh38/hg38 |
| Transcript | gDNA | cDNA | Protein | Source Database | Genome Build |
|---|---|---|---|---|---|
| NM_001005735.1 | chr22:g.28695209_28695211delAGGinsCAT | c.1420_1422delAGGinsCAT | p.R474H | RefSeq | GRCh38/hg38 |
| NM_007194.4 | chr22:g.28694072C>T | c.1421G>A | p.R474H | RefSeq | GRCh38/hg38 |
| XM_024452149.2 | chr22:g.28689198_28689200delAGAinsCAT | c.1420_1422delAGAinsCAT | p.R474H | RefSeq | GRCh38/hg38 |
| NM_001005735 | chr22:g.28695209_28695211delCCTinsATG | c.1420_1422delAGGinsCAT | p.R474H | RefSeq | GRCh38/hg38 |
| NM_007194.3 | chr22:g.28694072C>T | c.1421G>A | p.R474H | RefSeq | GRCh38/hg38 |
| XM_024452149.1 | chr22:g.28689198_28689200delAGAinsCAT | c.1420_1422delAGAinsCAT | p.R474H | RefSeq | GRCh38/hg38 |
| NM_007194 | chr22:g.28694072C>T | c.1421G>A | p.R474H | RefSeq | GRCh38/hg38 |
| NM_001005735.2 | chr22:g.28695209_28695211delAGGinsCAT | c.1420_1422delAGGinsCAT | p.R474H | RefSeq | GRCh38/hg38 |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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