Source:http://linkedlifedata.com/resource/pubmed/id/19932088
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
1
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pubmed:dateCreated |
2010-1-27
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pubmed:abstractText |
The influenza virus RNA polymerase (RdRp) was purified from insect cells (around 0.2mg/l). The RdRp catalyzed all the biochemical reactions of influenza virus transcription and replication in vitro; dinucleotide ApG and globin mRNA-primed transcription, de novo initiation (replication), and polyadenylation. The optimal Mg concentration, pH and temperature were 8mM, 8.0 and 25 degrees C, respectively, which were slightly different from those measured for RdRp of virions. This system is a single-round transcription system. K(m) (microM) were 10.74+/-0.26 (GTP), 33.22+/-3.37 (ATP), 28.93+/-0.48 (CTP) and 22.01+/-1.48 (UTP), and V(max) (fmol nucleotide/pmol RdRp/min) were 2.40+/-0.032 (GTP), 1.95+/-0.17 (ATP), 2.07+/-0.17 (CTP), and 1.52+/-0.38 (UTP), which agreed with high mutation of influenza viruses.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/PA protein, influenza viruses,
http://linkedlifedata.com/resource/pubmed/chemical/PB2 protein, Influenzavirus A,
http://linkedlifedata.com/resource/pubmed/chemical/RNA Replicase,
http://linkedlifedata.com/resource/pubmed/chemical/Viral Proteins,
http://linkedlifedata.com/resource/pubmed/chemical/influenza virus polymerase basic...
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pubmed:status |
MEDLINE
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pubmed:month |
Jan
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pubmed:issn |
1090-2104
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pubmed:author | |
pubmed:copyrightInfo |
Crown Copyright 2009. Published by Elsevier Inc. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:day |
1
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pubmed:volume |
391
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
570-4
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pubmed:meshHeading |
pubmed-meshheading:19932088-Animals,
pubmed-meshheading:19932088-Cells, Cultured,
pubmed-meshheading:19932088-Humans,
pubmed-meshheading:19932088-Influenza A Virus, H1N1 Subtype,
pubmed-meshheading:19932088-Influenza A Virus, H5N1 Subtype,
pubmed-meshheading:19932088-Insects,
pubmed-meshheading:19932088-Kinetics,
pubmed-meshheading:19932088-RNA Replicase,
pubmed-meshheading:19932088-Viral Proteins
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pubmed:year |
2010
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pubmed:articleTitle |
Biochemical and kinetic analysis of the influenza virus RNA polymerase purified from insect cells.
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pubmed:affiliation |
Unit of Viral Genome Regulation, Institut Pasteur of Shanghai, Key Laboratory of Molecular Virology & Immunology, Chinese Academy of Sciences, 411 Hefei Road, 200025 Shanghai, PR China.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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