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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, HAD
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
Five new species of entomopathogenic fungi from the Amazon and evolution of neotropical Ophiocordyceps.
Restrepo et al., Medellín, Colombia. In Fungal Biol, 31 Oct 2015
Molecular phylogenetic analyses of five nuclear loci including SSU, LSU, TEF, RPB1, and RPB2 were conducted alongside a morphological evaluation.
Anticancer Opportunity Created by Loss of Tumor Suppressor Genes.
Xiao-Jie et al., Huaiyin, China. In Technol Cancer Res Treat, 15 Oct 2015
The study by Liu et al showed that codeletion of p53 and a neighboring essential gene POLR2A rendered colon cancer cells highly sensitive to further inhibition of POLR2A both in vitro and in vivo.
Two new species of Thyronectria from Mediterranean Europe.
Voglmayr et al., Vienna, Austria. In Mycologia, 09 Oct 2015
They have olivaceous to green-brown muriform ascospores and are closely related to T. asturiensis and T. roseovirens, as determined by multigene phylogenetic analyses of a matrix containing six loci (ITS and 28S regions of nuc rDNA, ACT1, RPB1, RPB2, TEF1 and TUB2 genes).
Unique subcellular distribution of RPB1 with a phosphorylated C-terminal domain (CTD) in mouse oocytes during meiotic division and its relationship with chromosome separation.
Ma et al., Beijing, China. In J Reprod Dev, 04 Oct 2015
UNASSIGNED: Polymerase (RNA) II (DNA directed) polypeptide A (RPB1) is the largest subunit of RNA polymerase II (RNAPII), and phosphorylation of its C-terminal domain (CTD) is required for transcription initiation, elongation and RNA processing.
Detection and quantification of Histomonas meleagridis by real-time PCR targeting single copy genes.
Bilic et al., Vienna, Austria. In Vet Parasitol, 19 Sep 2015
In the actual study we report the development of highly specific and sensitive real-time PCR methods for detection and quantification of the parasite, based on two protein coding genes, Fe-hydrogenase (FeHYD) and rpb1.
TP53 loss creates therapeutic vulnerability in colorectal cancer.
Lu et al., Houston, United States. In Nature, May 2015
POLR2A is identified as such a gene that is almost always co-deleted with TP53 in human cancers.
IGS Minisatellites Useful for Race Differentiation in Colletotrichum lentis and a Likely Site of Small RNA Synthesis Affecting Pathogenicity.
Buchwaldt et al., Saskatoon, Canada. In Plos One, Dec 2014
Sequences of the translation elongation factor 1α (tef1α), RNA polymerase II subunit B2 (rpb2), ATP citrate lyase subunit A (acla), and internal transcribed spacer (ITS) regions were monomorphic, while the intergenic spacer (IGS) region showed length polymorphisms at two minisatellites of 23 and 39 nucleotides (nt).
Three New Species of Cyphellophora (Chaetothyriales) Associated with Sooty Blotch and Flyspeck.
Zhang et al., China. In Plos One, Dec 2014
On the basis of analysis of ITS, LSU, TUB2 and RPB1 data and morphological characters, three new species, Cyphellophora phyllostachysdis, C. artocarpi and C. musae, associated with sooty blotch and flyspeck disease, were added to this genus.
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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