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Gene MAP2K1
Variant K57_G61del
Impact List deletion
Protein Effect gain of function - predicted
Gene Variant Descriptions MAP2K1 K57_G61del results in the deletion of five amino acids of the Map2k1 protein from amino acids 57 to 61 (UniProt.org). K57_G61del results in increased Erk phosphorylation in cultured cells (PMID: 32641410), and therefore, is predicted to lead to a gain of Map2k1 protein function.
Associated Drug Resistance
Category Variants Paths

MAP2K1 mutant MAP2K1 act mut MAP2K1 K57_G61del

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Transcript NM_002755.4
gDNA chr15:g.66435115_66435129del15
cDNA c.169_183del15
Protein p.K57_G61delKQKVG
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
XM_017022413 chr15:g.66484993_66485007del15 c.169_183del15 p.E57_G61delERLQG RefSeq GRCh38/hg38
XM_017022411.2 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
XM_011521783 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38
NM_002755.3 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
XM_017022412.1 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38
NM_001411065.1 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38
XM_017022411 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
XM_011521783.4 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38
XM_017022412 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38
NM_002755.4 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
NM_002755 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
XM_017022411.3 chr15:g.66435115_66435129del15 c.169_183del15 p.K57_G61delKQKVG RefSeq GRCh38/hg38
XM_017022413.1 chr15:g.66484993_66485007del15 c.169_183del15 p.E57_G61delERLQG RefSeq GRCh38/hg38
XM_011521783.3 chr15:g.66435181_66435195del15 c.169_183del15 p.G57_F61delGGVVF RefSeq GRCh38/hg38

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
MAP2K1 mutant Erdheim-Chester disease sensitive Trametinib Guideline Actionable Mekinist (trametinib) is included in guidelines as first-line or subsequent-line therapy for patients with Erdheim-Chester disease harboring mutations in the MAPK pathway such as ARAF, NRAS, KRAS, MAP2K1/2, PIK3CA, or with no detectable mutations, or for whom testing is not available (NCCN.org). detail...
MAP2K1 mutant Erdheim-Chester disease sensitive Cobimetinib Guideline Actionable Cotellic (cobimetinib) is included in guidelines as preferred first-line or subsequent-line therapy for patients with Erdheim-Chester disease harboring mutations in the MAPK pathway such as ARAF, NRAS, KRAS, MAP2K1/2, PIK3CA, or with no detectable mutations, or for whom testing is not available (NCCN.org). detail...