vabase

ARAF S214P

c.640T>CNM_001654.5X-47566721-T-C
RAS-MAPK gain of function transition Cancer hotspot Absent from gnomAD AlphaMissense: likely pathogenic CCLA

Reports 1 in CCLA

ISSVA entityAllele fractionSources
CCLA not reported (GoF)

Position in ARAF 1 catalogued variant in this gene

RBD (19–91)RBDProtein kinase (310–570)Protein kina…1606 aaS214P

Pathway and targeted therapy

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

Open and recent trials (3 in vascular / lymphatic anomalies for trametinib)

Primary sources 1

  1. ARAF recurrent mutation causes central conducting lymphatic anomaly treatable with a MEK inhibitor.
    Li D, March ME, Gutierrez-Uzquiza A, Kao C, Seiler C, Pinto E, Matsuoka LS, Battig MR, Bhoj EJ, Wenger TL, Tian L, Robinson N, Wang T, Liu Y, Weinstein BM, Swift M, Jung HM, Kaminski CN, Chiavacci R, Perkins JA, Levine MA, Sleiman PMA, Hicks PJ, Strausbaugh JT, Belasco JB, Dori Y, Hakonarson H. · Nat Med · 2019

Mentioned in 8 publications indexed by Europe PMC.

Annotations refreshed 2026-10-09 from Europe PMC, ClinVar, ClinicalTrials.gov, gnomAD, and Genome Nexus. Coordinates handled per assembly (gnomAD GRCh38, Genome Nexus GRCh37).