1.4.1.25: L-arginine dehydrogenase
This is an abbreviated version!
For detailed information about L-arginine dehydrogenase, go to the full flat file.
Reaction
Synonyms
anabolic L-arginine dehydrogenase, dauB, NAD(P)H-dependent anabolic L-arginine dehydrogenase
ECTree
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General Information
General Information on EC 1.4.1.25 - L-arginine dehydrogenase
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physiological function
strains with a lesion at DauA or DauB genes fail to use D-arginine as sole carbon source. Growth complementation of an L-arginine auxotroph by D-arginine is abolished by a lesion at DauA or DauB. Presence of D-arginine induces L-arginine-specific genes in the parental strain PAO1 but not in its dauA or dauB mutants. DauA catalyzes oxidative deamination of D-arginine into 2-ketoarginine and ammonia, and DauB is able to use 2-ketoarginine and ammonia as substrates and convert them into L-arginine in the presence of NADPH or NADH
physiological function
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strains with a lesion at DauA or DauB genes fail to use D-arginine as sole carbon source. Growth complementation of an L-arginine auxotroph by D-arginine is abolished by a lesion at DauA or DauB. Presence of D-arginine induces L-arginine-specific genes in the parental strain PAO1 but not in its dauA or dauB mutants. DauA catalyzes oxidative deamination of D-arginine into 2-ketoarginine and ammonia, and DauB is able to use 2-ketoarginine and ammonia as substrates and convert them into L-arginine in the presence of NADPH or NADH
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