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Information on EC 2.4.2.31 - NAD+-protein-arginine ADP-ribosyltransferase

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EC Tree
     2 Transferases
         2.4 Glycosyltransferases
             2.4.2 Pentosyltransferases
                2.4.2.31 NAD+-protein-arginine ADP-ribosyltransferase
IUBMB Comments
Protein mono-ADP-ribosylation is a reversible post-translational modification that plays a role in the regulation of cellular activities . Arginine residues in proteins act as acceptors. Free arginine, agmatine [(4-aminobutyl)guanidine], arginine methyl ester and guanidine can also do so. The enzyme from some, but not all, species can also use NADP+ as acceptor (giving rise to Nomega-[(2'-phospho-ADP)-D-ribosyl]-protein-L-arginine as the product), but more slowly [1,5]. The enzyme catalyses the NAD+-dependent activation of EC 4.6.1.1, adenylate cyclase. Some bacterial enterotoxins possess similar enzymic activities. (cf. EC 2.4.2.36 NAD+---diphthamide ADP-ribosyltransferase).
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Word Map
The enzyme appears in viruses and cellular organisms
Synonyms
(adenosine diphosphoribose)transferase, nicotinamide adenine dinucleotide-arginine, actin-specific ADP-ribosyltransferase, ADP-ribosyl-acceptor hydrolase 1, ADP-ribosyltransferase, ADP-ribosyltransferase enzymatic component, ADP-ribosyltransferase-2, ADPRT, alloantigen Rt6.1 , alloantigen Rt6.2 , ALT, more
REACTION
REACTION DIAGRAM
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ORGANISM
UNIPROT
LITERATURE
NAD+ + protein L-arginine = nicotinamide + Nomega-(ADP-D-ribosyl)-protein-L-arginine
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