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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2004-8-23
pubmed:abstractText
Flavin reductase is essential for the oxygenases involved in microbial dibenzothiophene (DBT) desulfurization. An enzyme of the thermophilic strain, Bacillus sp. DSM411, was selected to couple with DBT monooxygenase (DszC) from Rhodococcus erythropolis D-1. The flavin reductase was purified to homogeneity from Bacillus sp. DSM411, and the native enzyme was a monomer of M(r) 16 kDa. Although the best substrates were flavin mononucleotide and NADH, the enzyme also used other flavin compounds and acted slightly on nitroaromatic compounds and NADPH. The purified enzyme coupled with DszC and had a ferric reductase activity. Among the flavin reductases so far characterized, the present enzyme is the most thermophilic and thermostable. The gene coded for a protein of 155 amino acids with a calculated mass of 17,325 Da. The enzyme was overproduced in Escherichia coli, and the specific activity in the crude extracts was about 440-fold higher than that of the wild-type strain, Bacillus sp. DSM411.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0916-8451
pubmed:author
pubmed:issnType
Print
pubmed:volume
68
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1712-21
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Thermostable flavin reductase that couples with dibenzothiophene monooxygenase, from thermophilic Bacillus sp. DSM411: purification, characterization, and gene cloning.
pubmed:affiliation
Department of Biotechnology, Tottori University, Tottori 680-8552, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't