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EC 3.5.3.23 Details
EC number
3.5.3.23
Accepted name
N-succinylarginine dihydrolase
Reaction
N2-succinyl-L-arginine + 2 H2O = N2-succinyl-L-ornithine + 2 NH3 + CO2
Other name(s)
N2-succinylarginine dihydrolase, arginine succinylhydrolase, SADH, AruB, AstB, 2-N-succinyl-L-arginine iminohydrolase (decarboxylating)
Systematic name
N2-succinyl-L-arginine iminohydrolase (decarboxylating)
Comment
Arginine, N2-acetylarginine and N2-glutamylarginine do not act as substrates [3]. This is the second 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).
History
created 2006
EC Tree
1.6.6.1 created 1961, deleted 2002
1.6.6.2 created 1961, deleted 2002
1.6.6.3 created 1961, deleted 2002
1.6.6.4 created 1961, deleted 2002
1.6.6.5 created 1961, deleted 1964
1.6.6.6 created 1961, deleted 2002
1.6.6.7 created 1961, deleted 2002
1.6.6.8 created 1965, deleted 2002
1.6.6.10 created 1972, deleted 2002
1.6.6.11 created 1972, deleted 2002
1.6.6.12 created 1989, deleted 2002
1.6.6.13 created 1989, deleted 2002