this paper presents evidence that a polyamine-dependent protein kinase ( ec 2.7.1.37 ) purified from nuclei of the slime mold physarum polycephalum catalyzes phosphorylation of ornithine decarboxylase ( orndcase ; l-ornithine carboxy-lyase , ec 4.1.1.17 ) .
C0033640
protein kinase
C0031715
phosphorylation