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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11
pubmed:dateCreated
2004-7-22
pubmed:abstractText
Two fusion proteins of D-amino acid oxidase (DAAO) and glutaryl-7-aminocephalosporanic acid acylase (GLA) were designed to simplify the bioconversion process of cephalosporin C to 7-aminocephalosporanic acid (7-ACA), which is conventionally produced in a two-step enzymatic process. Two recombinant plasmids, pET-DLA and pET-ALD, were constructed to express fusion proteins of DAAO-linker-GLA (DLA) and GLA-linker-DAAO (ALD), respectively. When the recombinant plasmids were expressed in E. coli, the fusion protein DLA was not correctly folded and only DAAO activity could be detected. ALD, however, possessed activities of both DAAO and GLA, which directly catalyze the conversion of cephalosporin C into 7-ACA.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0141-5492
pubmed:author
pubmed:issnType
Print
pubmed:volume
26
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
939-45
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2004
pubmed:articleTitle
Construction and application of fusion proteins of D-amino acid oxidase and glutaryl-7-aminocephalosporanic acid acylase for direct bioconversion of cephalosporin C to 7-aminocephalosporanic acid.
pubmed:affiliation
Department of Chemical Engineering, Institute of Biochemical Engineering, Tsinghua University, Beijing 100084, PR China.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't