7592979 In this article we use a recombinant glutathione S -transferase (GST)-MAPKAP kinase 2-fusion protein and various mutants to study the mechanism of activation of MAPKAP kinase 2 by p44 (ERK1) and p38/40 (RK) in vitro .
10753939 The ERK1 and ERK2 activator, MEK1 , has also been observed to activate MAPKAPK2 ( 58 ).