passages.id: split_4_test_1612_passage
passages.type: progene_text
passages.text: We show (a) that recombinant Pfnek-1 is able to specifically phosphorylate Pfmap - 2 , an atypical P. falciparum MAPK homologue , in vitro , and ( b ) that coincubation of Pfnek - 1 and Pfmap - 2 results in a synergistic increase in exogenous substrate labelling .