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Mutational analysis of the PA and PB2 subunits of the influenza RNA polymerase complex leads to new insights into function

Abstract:

The RNA-dependent RNA polymerase complex of influenza A virus consists of three subunits, PB1, PB2 and PA. To investigate the function of the PA subunit, we mutated evolutionarily conserved amino acids to alanines in the C-terminal third of PA of influenza A/WSN/33 that shows the highest degree of conservation between PA proteins of influenza A, B and C viruses. A H510A mutation inhibited the endonuclease cleavage of capped RNAs, K539A downregulated replication, while R638A resulted in severe...

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Publication status:
Published

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Publisher copy:
10.1016/j.ics.2004.02.001

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Institution:
University of Oxford
Department:
Oxford, MSD, Pathology Dunn School
Role:
Author
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Volume:
1263
Pages:
25-28
Publication date:
2004-01-01
DOI:
ISSN:
0531-5131
URN:
uuid:b6216a58-6cb5-4218-b74b-182c1cfe0b02
Source identifiers:
13862
Local pid:
pubs:13862
ISBN:
0-444-51639-5

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