polyamine hydrochlorides , nacl and magnesium acetate stimulated the enzymatic dephosphorylation of phosphorylated h2b histone by two forms ( large form , mol . wt . 250 000 ; small form , mol . wt . 30 000 ) of a pig heart phosphoprotein phosphatase ( phosphoprotein phosphohydrolase , ec 3.1.3.16 ) .
C1158884
dephosphorylation
C0031686
phosphoprotein phosphohydrolase