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EC 2.3.1.109 Details
EC number
2.3.1.109
Accepted name
arginine N-succinyltransferase
Reaction
succinyl-CoA + L-arginine = CoA + N2-succinyl-L-arginine
Other name(s)
arginine succinyltransferase, AstA, arginine and ornithine N2-succinyltransferase, AOST, AST (ambiguous), succinyl-CoA:L-arginine 2-N-succinyltransferase
Systematic name
succinyl-CoA:L-arginine N2-succinyltransferase
CAS registry number
99676-48-9
Comment
Also acts on L-ornithine. This is the first enzyme in the arginine succinyltransferase (AST) pathway for the catabolism of arginine [1]. This pathway converts the carbon skeleton of arginine into glutamate, with the concomitant production of ammonia and conversion of succinyl-CoA into succinate and CoA. The five enzymes involved in this pathway are EC 2.3.1.109 (arginine N-succinyltransferase), EC 3.5.3.23 (N-succinylarginine dihydrolase), EC 2.6.1.81 (succinylornithine transaminase), EC 1.2.1.71 (succinylglutamate-semialdehyde dehydrogenase) and EC 3.5.1.96 (succinylglutamate desuccinylase) [2,6].
History
created 1989, modified 2006
EC Tree
2.3.1.55 created 1976, deleted 1999
2.3.1.120 created 1990, deleted 1992
2.3.1.124 created 1990, deleted 1992