Source:http://linkedlifedata.com/resource/pubmed/id/16233814
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
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pubmed:dateCreated |
2005-10-19
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pubmed:abstractText |
A gene encoding exoglucanase (CBHII) of Streptomyces sp. M 23 was cloned and sequenced. The cbhII gene consisted of 1359 bp capable of encoding a polypeptide of 453 amino acids with a calculated molecular mass of 45,175 Da. The deduced amino acid sequence showed homology with those of cellulases belonging to family 6 of the glycosyl hydrolases. The cbhII gene was subcloned into the plasmid pSEV1 and expressed in Streptomyces lividans TK-24. The transformed cells were able to secrete the enzyme efficiently in an active form. The CBHII expressed by S. lividans TK-24 was purified to homogeneity by SDS-polyacrylamide gel and characterized. The recombinant CBHII was stable up to 50 degrees C and more than 30% of the original activity remained after heating at 100 degrees C for 10 min. The amino-terminal amino acid sequence of the recombinant CBHII was identified as GPAAPTARVD. These results agreed well with the properties of the authentic CBHII.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1389-1723
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
99
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
434-6
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:16233814-Amino Acid Sequence,
pubmed-meshheading:16233814-Cloning, Molecular,
pubmed-meshheading:16233814-Enzyme Activation,
pubmed-meshheading:16233814-Glycoside Hydrolases,
pubmed-meshheading:16233814-Molecular Sequence Data,
pubmed-meshheading:16233814-Molecular Weight,
pubmed-meshheading:16233814-Protein Engineering,
pubmed-meshheading:16233814-Recombinant Proteins,
pubmed-meshheading:16233814-Sequence Analysis, Protein,
pubmed-meshheading:16233814-Streptomyces
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pubmed:year |
2005
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pubmed:articleTitle |
Cloning and sequencing of an exoglucanase gene from Streptomyces sp. M 23, and its expression in Streptomyces lividans TK-24.
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pubmed:affiliation |
Division of Applied Biological Chemistry, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, 1-1 Gakuen-cho, Sakai, Osaka 599-8531, Japan.
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pubmed:publicationType |
Journal Article
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