phosphoenolpyruvate-dependent o-nitrophenyl-beta-d-galactopyranoside phosphorylation , catalyzed by the s. aureus phosphoenolpyruvate : lactose phosphotransferase system , was about 150-fold decreased in the presence of p-ser-hpr of s. aureus , as compared with hpr .
C0031715
phosphorylation
C0031727
phosphotransferase