Source:http://linkedlifedata.com/resource/pubmed/id/16495668
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
2006-2-23
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pubmed:databankReference | |
pubmed:abstractText |
Bacillus stearothermophilus SA0301 produces an extracellular oligo-1,6-glucosidase (bsO16G) that also hydrolyzes p-nitrophenyl alpha-D-glucoside (Tonozuka et al., J. Appl. Glycosci., 45, 397-400 (1998)). We cloned a gene for an enzyme hydrolyzing p-nitrophenyl alpha-D-glucoside, which was different from the one mentioned above, from B. stearothermophilus SA0301. The k(0)/K(m) values of bsO16G for isomaltotriose and isomaltose were 13.2 and 1.39 s(-1).mM(-1) respectively, while the newly cloned enzyme did not hydrolyze isomaltotriose, and the k(0)/K(m) value for isomaltose was 0.81 s(-1).mM(-1). The primary structure of the cloned enzyme more closely resembled those of trehalose-6-phosphate hydrolases than those of oligo-1,6-glucosidases, and the cloned enzyme hydrolyzed trehalose 6-phosphate. An open reading frame encoding a protein homologous to the trehalose-specific IIBC component of the phopshotransferase system was also found upstream of the gene for this enzyme.
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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 |
Feb
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pubmed:issn |
0916-8451
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
70
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
495-9
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:16495668-Amino Acid Sequence,
pubmed-meshheading:16495668-Bacterial Proteins,
pubmed-meshheading:16495668-Cloning, Molecular,
pubmed-meshheading:16495668-Geobacillus stearothermophilus,
pubmed-meshheading:16495668-Glucosides,
pubmed-meshheading:16495668-Hydrolysis,
pubmed-meshheading:16495668-Kinetics,
pubmed-meshheading:16495668-Molecular Sequence Data,
pubmed-meshheading:16495668-Phylogeny,
pubmed-meshheading:16495668-Plasmids,
pubmed-meshheading:16495668-Recombinant Proteins,
pubmed-meshheading:16495668-Sequence Alignment
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pubmed:year |
2006
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pubmed:articleTitle |
Molecular cloning and characterization of an enzyme hydrolyzing p-nitrophenyl alpha-D-glucoside from Bacillus stearothermophilus SA0301.
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pubmed:affiliation |
Department of Applied Biological Science, Tokyo University of Agriculture and Technology, Japan.
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pubmed:publicationType |
Journal Article
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