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RPO21 Rpo21p

Rpb1, RNA polymerase II subunit, RPO21, POLR2A
This gene encodes the largest subunit of RNA polymerase II, the polymerase responsible for synthesizing messenger RNA in eukaryotes. The product of this gene contains a carboxy terminal domain composed of heptapeptide repeats that are essential for polymerase activity. These repeats contain serine and threonine residues that are phosphorylated in actively transcribing RNA polymerase. In addition, this subunit, in combination with several other polymerase subunits, forms the DNA binding domain of the polymerase, a groove in which the DNA template is transcribed into RNA. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: POLYMERASE, RPB2, CAN, ACID, NOV
Papers using Rpb1 antibodies
p38 mitogen-activated protein kinase pathway promotes skeletal muscle differentiation. Participation of the Mef2c transcription factor
Dilworth Francis Jeffrey et al., In The EMBO Journal, 1998
... antibody (Millipore 06-755), Myog (Santa Cruz SC-576), Suz12 (Abcam ab12073), Mef2 (Santa Cruz sc-17785, sc-13917), RPB1 (Abcam ab5408), and Ezh2 (Zymed ...
Papers on Rpb1
Studies in the genus Glutinoglossum.
Miller et al., Champaign, United States. In Mycologia, 27 Mar 2015
This study provides a comprehensive examination of Glutinoglossum based on maximum-likelihood and Bayesian analyses of a dataset that includes nuc rDNA internal transcribed spacer and partial 28S regions and the nuc genes for RNA polymerase II largest subunit (RPB1) and minichromosome maintenance complex component 7 (MCM7).
Toward monophyletic generic concepts in Magnaporthales: species with Harpophora asexual states.
Zhang et al., New Brunswick, United States. In Mycologia, 27 Mar 2015
UNASSIGNED: We investigated the phylogenetic relationships among Magnaporthales fungi with harpophora-like asexual states based on DNA sequences of ITS, MCM7, RPB1 and TEF1 genes.
Profibrosing Effect of Angiotensin Converting Enzyme Inhibitors in Human Lung Fibroblasts.
Ruiz et al., Mexico. In Lung, 06 Mar 2015
RESULTS: ACEi and losartan-stimulated fibroblasts showed an increase in the expression of TGF-β1, Collagen-Iα1 (Col-Iα1), and renin (except losartan) vs PolR2A (p < 0.05), and upregulation of TGF-β1 protein (p < 0.01), except with aliskiren.
Phylogenetic relationships and morphological evolution in Lentinus, Polyporellus and Neofavolus, emphasizing southeastern Asian taxa.
Hibbett et al., Worcester, United States. In Mycologia, 06 Mar 2015
We generated sequences of internal transcribed spacers (ITS) and partial 28S regions of nuc rDNA and genes encoding the largest subunit of RNA polymerase II (RPB1), focusing on Lentinus subg.
An overview of the genus Glyphium and its phylogenetic placement in Patellariales.
Schoch et al., Luxembourg, Luxembourg. In Mycologia, 06 Mar 2015
Phylogenies inferred from the analysis of sequences of six gene regions (nuLSU, nuSSU, mtSSU, TEF1, RPB1, RPB2) derived from six accessions indicate that Glyphium belongs to Patellariales (Pleosporomycetidae, Dothideomycetes).
Human RNA polymerase II-associated protein 2 (RPAP2) interacts directly with the RNA polymerase II subunit Rpb6 and participates in pre-mRNA 3'-end formation.
Ohkuma et al., Toyama, Japan. In Drug Discov Ther, Dec 2014
The C-terminal domain (CTD) of the largest subunit of RNA polymerase II (Pol II) is composed of tandem repeats of the heptapeptide Tyr1-Ser2-Pro3-Thr4-Ser5-Pro6-Ser7.
Persistent hamathecial threads in the Nectriaceae, Hypocreales: Thyronectria revisited and re-instated.
Voglmayr et al., Vienna, Austria. In Persoonia, Dec 2014
Molecular phylogenies based on several markers (act, ITS, LSU rDNA, rpb1, rpb2, tef1, tub) revealed that the Nectriaceae contain members whose ascomata are characterised by long, more or less persistent, apical paraphyses.
Moniliellomycetes and Malasseziomycetes, two new classes in Ustilaginomycotina.
Boekhout et al., Beijing, China. In Persoonia, Dec 2014
Phylogenetic analyses using different algorithms based on the sequences of six genes, including the small subunit (18S) ribosomal DNA (rDNA), the large subunit (26S) rDNA D1/D2 domains, the internal transcribed spacer regions (ITS 1 and 2) including 5.8S rDNA, the two subunits of RNA polymerase II (RPB1 and RPB2) and the translation elongation factor 1-α (EF1-α), were performed to address their phylogenetic positions.
The super elongation complex (SEC) family in transcriptional control.
Shilatifard et al., Kansas City, United States. In Nat Rev Mol Cell Biol, 2012
Studies indicate that the super elongation complex (SEC) consisting of ELL, P-TEFb (CDK9) and MLL required for rapid transcriptional induction in the presence or absence of paused RNA polymerase II (Pol II).
Evidence of the involvement of O-GlcNAc-modified human RNA polymerase II CTD in transcription in vitro and in vivo.
Lewis et al., Bethesda, United States. In J Biol Chem, 2012
Results indicate roles for both the RNA polymerase II C-terminal domain (CTD) and O-GlcNAc in the regulation of transcription initiation.
Separate domains of fission yeast Cdk9 (P-TEFb) are required for capping enzyme recruitment and primed (Ser7-phosphorylated) Rpb1 carboxyl-terminal domain substrate recognition.
Fisher et al., New York City, United States. In Mol Cell Biol, 2012
Separate domains of Cdk9 (P-TEFb) are required for capping enzyme recruitment and primed (Ser7-phosphorylated) Rpb1 carboxyl-terminal domain substrate recognition.
Threonine-4 of mammalian RNA polymerase II CTD is targeted by Polo-like kinase 3 and required for transcriptional elongation.
Eick et al., München, Germany. In Embo J, 2012
Here, the authors report phosphorylation of Thr4 by Polo-like kinase 3 in mammalian cells.
Activator-mediator binding stabilizes RNA polymerase II orientation within the human mediator-RNA polymerase II-TFIIF assembly.
Taatjes et al., Boulder, United States. In J Mol Biol, 2012
These results suggest that Mediator structural shifts induced by activator binding help stably orient pol II prior to transcription initiation within the human mediator-RNA polymerase II-TFIIF assembly.
A phylogenetic overview of the Agaricomycotina.
Hibbett, Worcester, United States. In Mycologia, 2006
Recent phylogenetic analyses by P. Matheny and colleagues combining nuclear rRNA genes with the protein-coding genes rpb1, rpb2 and tef1 support the division of Agaricomycotina into Tremellomycetes, Dacrymycetes and Agaricomycetes.
Evolutionary relationships among basal fungi (Chytridiomycota and Zygomycota): Insights from molecular phylogenetics.
Sugiyama et al., Ibaraki, Japan. In J Gen Appl Microbiol, 2005
Evolutionary relationships of the two basal fungal phyla Chytridiomycota and Zygomycota are reviewed in light of recent molecular phylogenetic investigation based on rDNA (nSSU, nLSU rDNA), entire mitochondrial genomes, and nuclear protein coding gene sequences (e.g., EF-1alpha, RPB1).
CTD phosphatase: role in RNA polymerase II cycling and the regulation of transcript elongation.
Dahmus et al., In Prog Nucleic Acid Res Mol Biol, 2001
The repetitive C-terminal domain (CTD) of the largest RNA polymerase II subunit plays a critical role in the regulation of gene expression.
Complementary DNA sequencing: expressed sequence tags and human genome project.
Moreno et al., Bethesda, United States. In Science, 1991
Of the sequences generated, 337 represent new genes, including 48 with significant similarity to genes from other organisms, such as a yeast RNA polymerase II subunit; Drosophila kinesin, Notch, and Enhancer of split; and a murine tyrosine kinase receptor.
RNA polymerase II: subunit structure and function.
Young et al., Cambridge, United States. In Trends Biochem Sci, 1990
Epitope tagging and other experiments made possible by the cloning of these genes have provided a clearer picture of RNA polymerase II subunit composition, stoichiometry and function, and set the stage for further investigating the dialogue between RNA polymerase II and transcription factors.
A suppressor of a HIS4 transcriptional defect encodes a protein with homology to the catalytic subunit of protein phosphatases.
Fink et al., Cambridge, United States. In Cell, 1989
Two of these suppressors, SIT1 and SIT2, are encoded by RPB1 and RPB2, the genes for the two largest subunits of RNA polymerase II.
Extensive homology among the largest subunits of eukaryotic and prokaryotic RNA polymerases.
Ingles et al., In Cell, 1985
We have determined the nucleotide sequence of two yeast RNA polymerase genes, RPO21 and RPO31, which encode the largest subunits of RNA polymerases II and III, respectively.
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