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dauB

Gene
dauB
Protein
NAD(P)H-dependent anabolic L-arginine dehydrogenase DauB
Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Length
315 amino acids
Function
Involved in the anabolism of D-lysine and D-arginine. Under aerobic conditions, the arginine succinyltransferase (AST) and arginine transaminase (ATA) pathways are 2 major routes for L-arginine utilization as the sole source of carbon and nitrogen. The D-to-L racemization of arginine by DauA and DauB is necessary, before to be channeled into the AST and/or ATA pathways. DauB catalyzes the synthesis of L-arginine from 2-ketoarginine (2-KA) and ammonium.
Similarity
Belongs to the ornithine cyclodeaminase/mu-crystallin family.
Mass
33.945 kDa
Sequence
MSAATPLIVQQAEAEQLLARIDVLQAMRQLFLDLAAGQALQPAQQLVEFPAGRGDFINYLGVLAQEQVYGVKTSPYIVREQGPLVTAWTLLMSMQTGQPLLLCDAARLTTARTAATTAVAVDALAPAEACRLALIGSGPVAHAHLQYVKGLRDWQGVRVHSPCLDERRLQSLRAIDPRAEAAGSLEEALDEADVILLCTSSARAVIDPRQLKRPALVTSISTNAPRAHEVPAESLAAMDVYCDYRHTTPGSAGEMLIAAEQHGWSPEAIRGDLAELLSAQAPRPEYRRPAFFRSIGLGLEDVALANALYRLRQAG