2-Aminomuconate is an intermediate in the bacterial biodegradation of nitrobenzene. The enzyme has been isolated from several species, including Pseudomonas pseudocaligenes JS45, Pseudomonas fluorescens KU-7, Pseudomonas sp. AP3 and Burkholderia cenocepacia J2315. The reaction is spontaneous in acid conditions.
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SYSTEMATIC NAME
IUBMB Comments
2-aminomuconate aminohydrolase
2-Aminomuconate is an intermediate in the bacterial biodegradation of nitrobenzene. The enzyme has been isolated from several species, including Pseudomonas pseudocaligenes JS45, Pseudomonas fluorescens KU-7, Pseudomonas sp. AP3 and Burkholderia cenocepacia J2315. The reaction is spontaneous in acid conditions.
spontaneous mutants HS121(pNB2) during serial transfer on nonselective agar plates, can not grow on nitrobenzene as the sole source of carbon, nitrogen and energy, have lost plasmid pNB1, plasmid-cured HS124 mutant, obtained by incubating the parent strain at an elevated temperature, have lost plasmid pNB2 and also can not grow on nitrobenzene
spontaneous mutants HS121(pNB2) during serial transfer on nonselective agar plates, can not grow on nitrobenzene as the sole source of carbon, nitrogen and energy, have lost plasmid pNB1, plasmid-cured HS124 mutant, obtained by incubating the parent strain at an elevated temperature, have lost plasmid pNB2 and also can not grow on nitrobenzene
new tryptophan catabolic pathway in Burholderia cepacia J2315, formation of the intermediate 4-oxalocrotonate differentiates this pathway from the proposed mammalian pathway which converts 2-aminomuconate to 2-ketoadipate and, ultimately, glutaryl-coenzyme A
new tryptophan catabolic pathway in Burholderia cepacia J2315, formation of the intermediate 4-oxalocrotonate differentiates this pathway from the proposed mammalian pathway which converts 2-aminomuconate to 2-ketoadipate and, ultimately, glutaryl-coenzyme A
nbzE, involved in the ring cleavage pathway of 2-aminophenol, is localized on the 6.6 kb SnaBI-SmaI fragment of the plasmid pNB1 and clusters in the order nbzC-nbzD-nbzE as an operon
nbzE, involved in the ring cleavage pathway of 2-aminophenol, is localized on the 6.6 kb SnaBI-SmaI fragment of the plasmid pNB1 and clusters in the order nbzC-nbzD-nbzE as an operon
Studies of the catabolic pathway of degradation of nitrobenzene by Pseudomonas pseudoalcaligenes JS45: removal of the amino group from 2-aminomuconic semialdehyde
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3.5.99.5 2-aminomuconate deaminase
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