RpII215 Antibody

Code CSB-PA018327XA01DLU
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Product Details

Full Product Name
Rabbit anti-Drosophila melanogaster (Fruit fly) RpII215 Polyclonal antibody
Uniprot No.
Target Names
RpII215
Alternative Names
RpII215 antibody; CG1554 antibody; DNA-directed RNA polymerase II subunit RPB1 antibody; RNA polymerase II subunit B1 antibody; EC 2.7.7.6 antibody; DNA-directed RNA polymerase III largest subunit antibody
Raised in
Rabbit
Species Reactivity
Drosophila melanogaster (Fruit fly)
Immunogen
Recombinant Drosophila melanogaster (Fruit fly) RpII215 protein
Immunogen Species
Drosophila melanogaster (Fruit fly)
Conjugate
Non-conjugated
Clonality
Polyclonal
Isotype
IgG
Purification Method
Antigen Affinity Purified
Concentration
It differs from different batches. Please contact us to confirm it.
Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Tested Applications
ELISA, WB (ensure identification of antigen)
Protocols
Troubleshooting and FAQs
Storage
Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Value-added Deliverables
① 200ug * antigen (positive control);
② 1ml * Pre-immune serum (negative control);
Quality Guarantee
① Antibody purity can be guaranteed above 90% by SDS-PAGE detection;
② ELISA titer can be guaranteed 1: 64,000;
③ WB validation with antigen can be guaranteed positive;
Lead Time
Made-to-order (14-16 weeks)
Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.

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Target Background

Function
DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Largest and catalytic component of RNA polymerase II which synthesizes mRNA precursors and many functional non-coding RNAs. Forms the polymerase active center together with the second largest subunit. Pol II is the central component of the basal RNA polymerase II transcription machinery. It is composed of mobile elements that move relative to each other. RPB1 is part of the core element with the central large cleft, the clamp element that moves to open and close the cleft and the jaws that are thought to grab the incoming DNA template. At the start of transcription, a single-stranded DNA template strand of the promoter is positioned within the central active site cleft of Pol II. A bridging helix emanates from RPB1 and crosses the cleft near the catalytic site and is thought to promote translocation of Pol II by acting as a ratchet that moves the RNA-DNA hybrid through the active site by switching from straight to bent conformations at each step of nucleotide addition. During transcription elongation, Pol II moves on the template as the transcript elongates. Elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of Pol II largest subunit (RPB1), which serves as a platform for assembly of factors that regulate transcription initiation, elongation, termination and mRNA processing.
Gene References into Functions
  1. Study measured the first wave of de novo transcription in living Drosophila embryos using dual-fluorescence detection of nascent transcripts containing 5' MS2 and 3' PP7 RNA stem loops. Pol II elongation rates of 2.4-3.0 kb/min were observed, approximately twice as fast as earlier estimates PMID: 28457866
  2. Phosphorylation of the C-terminal domain of RNA polymerase II (CTD) plays an essential role in eukaryotic transcription by recruiting transcriptional regulatory factors to the active polymerase. This study shows that Tyrosine 1 is required for CTD phosphorylation by Erk2. PMID: 28103682
  3. This action of GAF on nucleosomes is at least partially independent of paused Pol II because intergenic GAF binding sites with little or no Pol II also show GAF-dependent nucleosome displacement. PMID: 25815464
  4. Loss of dPNUTS function or specific disruption of its ability to bind PP1 results in hyperphosphorylation of the RNAPII CTD in whole animal extracts and on chromosomes PMID: 24204300
  5. Determined are the kinetic and structural properties of Drosophila Ssu72-symplekin in complex with the C-terminal domain of RNA polymerase II peptide with consecutive phosphorylated Thr4 and Ser5. [Ssu72] PMID: 23844594
  6. A novel single-nucleotide mutation in the 3' UTR of the RNPII215 gene leads to a reduced number of nuclear divisions that is accompanied by premature transcription of early zygotic genes and cellularization. PMID: 23290555
  7. Cohesin depletion decreases the levels of transcriptionally engaged Pol II at the promoters of most genes that don't bind cohesin, suggesting that cohesin controls expression of one or more broadly acting general transcription factors PMID: 23555293
  8. Hsromega-n transcripts are essential for thermotolerance and remobilization of hnRNPs, HP1 and RNA polymerase II during recovery from heat shock. PMID: 21913129
  9. analysis of the interactions between DSIF (DRB sensitivity inducing factor), NELF (negative elongation factor), and the Drosophila RNA polymerase II transcription elongation complex PMID: 20534440
  10. resplicing of the Hox gene Ultrabithorax is stimulated in Drosophila embryos mutant for C4 pol II which demonstrates the transcriptional control of alternative splicing on an endogenous gene PMID: 14536091
  11. RNA polymerase II act as dominant modifiers of the derepression phenotypes of the Sex combs reduced (Scr) and Ultrabithorax (Ubx) genes. PMID: 15354295

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Subcellular Location
Nucleus.
Protein Families
RNA polymerase beta' chain family
Database Links

KEGG: dme:Dmel_CG1554

STRING: 7227.FBpp0073387

UniGene: Dm.2925

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