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dntB

Gene
dntB
Protein
4-methyl-5-nitrocatechol 5-monooxygenase
Organism
Burkholderia sp
Length
548 amino acids
Function
Involved in the degradation of 2,4-dinitrotoluene (2,4-DNT). Catalyzes the removal of the nitro group from 4-methyl-5-nitrocatechol (MNC) to yield 2-hydroxy-5-methylquinone (PubMed:8830701, PubMed:16751499). It can use both NADH and NADPH as electron donors, but prefers NADPH (PubMed:8830701). Also able to use 4-nitrocatechol as substrate (PubMed:8830701).
Similarity
Belongs to the PheA/TfdB FAD monooxygenase family.
Mass
59.083 kDa
Sequence
MTRPLETPPDIEVPVLIVGGSMVGLSTALFLSHYGIQAMAVERHERTAIHPRAGHFHLRTLELLRSVGLEEVVARTSAEAFFPNGGINAVQSLAGGETASFISNLNAGVEEFSPTRRLFIAQQALEPILRSRAEELGADLRYSTEVVSVVDDGEGVTTVIRDKASGQERTVRSRYLVASDGWRSQRRAQLGIETRGQGLLSRSATIYFRADCRELLAGTHLGVIYVLNERLRGFFRFEKSLQSGFLGVATLGDPTRPGALDVSAGFTTDTAVELVRAAIGVPDIDVEIQDVAHWEATAALADRYRGGRIFLAGDAAHVVPPYGGFGGNTGVQDAHNLASKLALVLDGTAGEALLDTYEAERRPVGALTVDQAFSRYIRRLAPEFLDEQTPELVDDFSMELGYRYHSPAVLTEDDDKAVDQAVVGHPREALGRPGSRAPHVALRVDDHDRSVLDLLGRDFVVLAGPAGQVWAEAAERASKELGLPLSAYVVGSDTPVADVEGRFADAYGLSDAGVALVRPDGFIAWRSRDLAEDPEAALTDALRAVLCR