L42R (p.Leu42Arg) variant of MAP2K1 (Q02750)

L42R (p.Leu42Arg) in MAP2K1 (Q02750) is a missense change. Clinical records from ClinVar, EBI, and UniProt describe it as likely pathogenic in the context of RASopathy. The available variant effect predictions contribute to a CATVariant prioritization score of 0.81 / 1. The record also includes experimental measurements and structural context.

L42R (p.Leu42Arg) variant details