← Lymphatic Malformation Variant Atlas

MAP2K1 F53C

c.158T>G NM_002755.4 RAS-MAPK transversion, gain of function

Cancer hotspot Recurrent missense variant. COSMIC COSV61068705, COSV61070226
Population · gnomAD Not observed Absent from the population database, consistent with a somatic, non-inherited driver.
ClinVar Not in ClinVar no exact-match submission
Protein region N-terminal regulatory region Residue 53 of MAP2K1. UniProt Q02750
AlphaMissense likely pathogenic Pathogenicity score 1.00. Computational prediction, not clinical evidence.

Position in MAP2K1 1 catalogued

Protein kinase (68–361)Protein kina…1393 aaF53C

Reported in CCLA

ISSVA subsetAllele fractionSources
CCLA 0.8%

Bars show the reported allele-fraction range on a 0 to 50 percent axis.

Pathway and targeted therapy

Driver of the RAS-MAPK pathway. Repurposed drugs already used in the clinic for this pathway: trametinib and other MEK inhibitors.

Open and recent trials (8 in vascular / lymphatic anomalies for trametinib)

Primary sources (1)

  1. Genomic profiling informs diagnoses and treatment in vascular anomalies.
    Li D, Sheppard SE, March ME, Battig MR, Surrey LF, Srinivasan AS, Matsuoka LS, Tian L, Wang F, Seiler C, Dayneka J, Borst AJ, Matos MC, Paulissen SM, Krishnamurthy G, Nriagu B, Sikder T, Casey M, Williams L, Rangu S, O'Connor N, Thomas A, Pinto E, Hou C, Nguyen K, Pellegrino da Silva R, Chehimi SN, Kao C, Biroc L, Britt AD, Queenan M, Reid JR, Napoli JA, Low DM, Vatsky S, Treat J, Smith CL, Cahill AM, Snyder KM, Adams DM, Dori Y, Hakonarson H. · Nat Med · 2023

Mentioned in 5 publications indexed by Europe PMC.

Cross-references