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EC 1.4.99.6 Details
EC number
1.4.99.6
Accepted name
D-arginine dehydrogenase
Reaction
D-arginine + acceptor + H2O = 5-guanidino-2-oxopentanoate + NH3 + reduced acceptor (overall reaction);;(1a) D-arginine + acceptor = iminoarginine + reduced acceptor;;(1b) iminoarginine + H2O = 5-guanidino-2-oxopentanoate + NH3 (spontaneous)
Other name(s)
D-amino-acid:(acceptor) oxidoreductase (deaminating), D-amino-acid dehydrogenase, D-amino-acid:acceptor oxidoreductase (deaminating)
Systematic name
D-arginine:acceptor oxidoreductase (deaminating)
CAS registry number
37205-44-0
Comment
Contains a non-covalent FAD cofactor. The enzyme, which has been isolated from the bacterium Pseudomonas aeruginosa PAO1, forms with EC 1.4.1.25, L-arginine dehydrogenase, a two-enzyme complex involved in the racemization of D- and L-arginine. The enzyme has a broad substrate range and can act on most D-amino acids with the exception of D-glutamate and D-aspartate. However, activity is maximal with D-arginine and D-lysine. Not active on glycine.
History
created 1972 as EC 1.4.99.1, transferred 2015 to EC 1.4.99.6, modified 2017
EC Tree
1.1.1.68 created 1965, deleted 1978 [transferred to EC 1.1.99.15, deleted 1980]
1.1.1.70 created 1965, deleted 1978
1.1.1.74 created 1972, deleted 1976
1.1.1.89 created 1972, deleted 1976
1.1.1.109 created 1972, deleted 1976
1.1.1.139 created 1972, deleted 1978
1.1.1.155 created 1976, deleted 2004
1.1.1.171 created 1978, deleted 1984
1.1.1.180 created 1983, deleted 1984
1.1.1.182 created 1983, deleted 1990
1.1.1.204 created 1972 as EC 1.2.1.37, transferred 1984 to EC 1.1.1.204, modified 1989, deleted 2004
1.1.1.242 created 1992, deleted 2001
1.1.1.249 provisional version created 1999, deleted 1999 (reinstated 2001 as EC 2.5.1.46)
1.1.1.253 created 1999, deleted 2003