Description
Recombinant human MEK1, also known as MAP2K1 (MAP [Mitogen-Activated Protein] Kinase Kinase 1), MKK1, or ERK kinase, GenBank Accession #NM_002755, full length, with an N-terminal GST-tag, MW = 74 kDa, expressed in Sf9 cells via a baculovirus expression system