PA subunit
A Single Amino Acid Mutation in the PA Subunit of the Influenza Virus RNA Polymerase Inhibits Endonucleolytic Cleavage of Capped RNAs
... PB2 subunit of the viral RNA polymerase binds to cap-1 structures of host pre-mRNA ...the PA subunit in the replication cycle of the virus is essentially unknown, although early work with temper- ...
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Nucleoside Monophosphate Complex Structures of the Endonuclease Domain from the Influenza Virus Polymerase PA Subunit Reveal the Substrate Binding Site inside the Catalytic Center
... the PA subunit in influenza A virus, it is conceivable that the virus could not easily mutate to escape inhibition by compounds which block the endonuclease ...on PA N ...
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The PA Subunit Is Required for Efficient Nuclear Accumulation of the PB1 Subunit of the Influenza A Virus RNA Polymerase Complex
... PB1 subunit plays a central role in the catalytic activities of the RNA ...PB2 subunit is responsible for recognition and binding of the cap structure of host mRNAs (10, ...the PA subunit in ...
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The Replication Activity of Influenza Virus Polymerase Is Linked to the Capacity of the PA Subunit To Induce Proteolysis
... The PA subunit of the influenza virus polymerase complex is a phosphorylated protein that induces a proteolytic process that decreases its own accumulation levels and those of coexpressed ...each PA ...
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Amino Acid Residues in the N-Terminal Region of the PA Subunit of Influenza A Virus RNA Polymerase Play a Critical Role in Protein Stability, Endonuclease Activity, Cap Binding, and Virion RNA Promoter Binding
... Thirty-one of the 51 mutants showed either no effect or only a slight decrease in the synthesis of CAT reporter vRNA, cRNA, and mRNA compared to the wild type, indicating that these amino acids are not critical for the ...
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The PB1 subunit alone can catalyze cRNA synthesis, and the PA subunit in addition to the PB1 subunit is required for viral RNA synthesis in replication of the influenza virus genome.
... and PA subunits of RNA polymerase and nucleoprotein (NP) can support replication of the influenza virus genome as well as transcription to yield uncapped poly(A) 1 -RNA ...and PA subunits in replication and ...
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Involvement of Influenza Virus PA Subunit in Assembly of Functional RNA Polymerase Complexes
... of PA in ts53 virus- infected cells at ...that PA is localized in both the cytoplasm and the nucleus in cells expressing only the PA subunit ...of PA, and PB1 also requires the expres- ...
PA Subunit from Influenza Virus Polymerase Complex Interacts with a Cellular Protein with Homology to a Family of Transcriptional Activators
... The PA subunit of the influenza virus polymerase complex is a phosphoprotein that induces proteolytic degradation of coexpressed ...with PA protein, we have carried out a yeast two-hybrid ...of ...
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Threonine 157 of Influenza Virus PA Polymerase Subunit Modulates RNA Replication in Infectious Viruses
... The PA subunit induces a generalized proteolytic process when expressed from cloned cDNA ...the PA subunit is in fact a chymotrypsin-like protease having its catalytic site at serine 624 ...of ...
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Mutational and Metal Binding Analysis of the Endonuclease Domain of the Influenza Virus Polymerase PA Subunit
... PB2 subunit and that the endonuclease activity is situated in the N-terminal domain of the PA subunit ...eight PA-Nter single-point ...isolated PA-Nter knock out the transcription but ...
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Influenza A Virus Polymerase Is a Site for Adaptive Changes during Experimental Evolution in Bat Cells
... The discovery of two ancient and diverse lineages of FLUAV in bats separated by ⬎3,000 km over the course of 2 years implies the existence of a large, geographically dispersed cryptic reservoir for FLUAVs. As other ...
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HDAC6 Restricts Influenza A Virus by Deacetylation of the RNA Polymerase PA Subunit
... (i.e., PA, PB1, and PB2). The PA subunit is involved in the assembly of the RNA polymerase complexes (4) and is essential for transcriptional and replicative FIG 4 HDAC6 regulates IAV RNA ...
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Reassortment and Mutation of the Avian Influenza Virus Polymerase PA Subunit Overcome Species Barriers
... the PA T552S mutation enhances the activity of polymerases containing the avian-signature PB2 E627 residue and mediates escape from restriction in human cells are poorly ...of PA contains the endonu- clease ...
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Catalytic Subunit 1 of Protein Phosphatase 2A Is a Subunit of the STRIPAK Complex and Governs Fungal Sexual Development
... Production and purification of recombinant proteins. Plasmid con- struction is described in Text S1 in the supplemental material. Plasmids FIG 7 The interconnected signaling pathway of sexual development in S. ...
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A conserved set of maternal genes? Insights from a molluscan transcriptome
... Fig. 2. Visualisation of maternal gene product spatial distribution in uncleaved zygotes of Lymnaea stagnalis by whole mount in situ hybridisation. Eight maternal gene products were visualised in uncleaved zygotes ...
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Luminal acidification of diverse organelles by V ATPase in animal cells
... B subunit was identified by Davies et al. (1996). Deletion of the B subunit locus was shown to be lethal, whereas point mutations gave varying phenotypes that ranged from lethal to surviving ...mouse ...
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Infection with a Proposed New Subspecies of Babesia canis, Babesia canis subsp presentii, in Domestic Cats
... small subunit RNA gene identified as Babesia canis canis was amplified from the blood of three cats in which parasites were not visualized by microscopy ...
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Condensed Matrix Descriptor for Protein Sequence Comparison
... drogenase subunit 3 (ND3), subunit 4 (ND4) and subunit 5 (ND5) of protein sequences of nine species, Human, Gorilla, Common Chimpanzee, Pygmy Chimpanzee, Fin Whale, Blue Whale, Rat, Mouse and Opossum ...
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Comparative proteomic profiling of refractory/relapsed multiple myeloma reveals biomarkers involved in resistance to bortezomib-based therapy
... Identifying biomarkers of the resistance in multiple myeloma (MM) is a key research challenge. We aimed to identify proteins that differentiate plasma cells in patients with refractory/relapsed MM (RRMM) who achieved at ...
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Charge steered RF PA
... The switch control signals are created from a switch signal that switches between zero and 2.5V. From this the other voltages are made simply by using a thick-oxide inverter that is connected to the minimum and maximum ...
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