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EC 2.4.2.37 Details
EC number
2.4.2.37
Accepted name
NAD+—dinitrogen-reductase ADP-D-ribosyltransferase
Reaction
NAD+ + [dinitrogen reductase]-L-arginine = nicotinamide + [dinitrogen reductase]-Nω-α-(ADP-D-ribosyl)-L-arginine
Other name(s)
NAD-azoferredoxin (ADPribose)transferase, NAD-dinitrogen-reductase ADP-D-ribosyltransferase, draT (gene name)
Systematic name
NAD+:[dinitrogen reductase] (ADP-D-ribosyl)transferase
CAS registry number
117590-45-1
Comment
The combined action of this enzyme and EC 3.2.2.24, ADP-ribosyl-[dinitrogen reductase] hydrolase, controls the activity level of nitrogenase (EC 1.18.6.1). In the presence of ammonium, the product of nitrogenase, this enzyme covalently links an ADP-ribose moiety to a specific arginine residue of the dinitrogenase reductase component of nitrogenase, blocking its activity.
History
created 1992, modified 2015
EC Tree
2.5.1.12 created 1972, deleted 1976
2.5.1.13 created 1972, deleted 1976
2.5.1.14 created 1972, deleted 1976
2.5.1.37 created 1989, deleted 2004
2.5.1.40 created 1992, deleted 1999