comparison of these compounds as potential substrates for a partially purified phosphatidylinositol 4-kinase ( ec 2.7.1.67 ) derived from human erythrocyte membranes revealed that the chirality of the inositol ring is crucial for efficient phosphorylation , whereas the chirality of the glycerol moiety is relatively unimportant .
C0089793
phosphatidylinositol 4-kinase
C0086418
human