ENTRY       EC 2.7.1.70
NAME        Protamine kinase
            Histone kinase
CLASS       Transferases
            Transferring phosphorus-containing groups
            Phosphotransferases with an alcohol group as acceptor
SYSNAME     ATP:protamine O-phosphotransferase
REACTION    ATP + Protamine = ADP + O-Phosphoprotamine
SUBSTRATE   ATP
            Protamine
PRODUCT     ADP
            O-Phosphoprotamine
COFACTOR    3',5'-Cyclic AMP
COMMENT     Phosphorylates serine residues in protamines and histones.
            Requires cyclic AMP. See comment on EC 2.7.1.37.
DBLINKS     University of Geneva ENZYME DATA BANK: 2.7.1.70
            WIT (What Is There) Metabolic Reconstruction: 2.7.1.70
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