POLR2A Antibody | CSB-PA02519A0Rb

POLR2A Antibody | CSB-PA02519A0Rb | Cusabio

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Product Type: Polyclonal Antibody

Target Names: POLR2A

Aliases: DNA-directed RNA polymerase II subunit RPB1 (RNA polymerase II subunit B1) (EC 2.7.7.6) (DNA-directed RNA polymerase II subunit A) (DNA-directed RNA polymerase III largest subunit) (RNA-directed RNA polymerase II subunit RPB1) (EC 2.7.7.48), POLR2A, POLR2

Background: 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. Regulation of gene expression levels depends on the balance between methylation and acetylation levels of tha CTD-lysines (By similarity) . Initiation or early elongation steps of transcription of growth-factors-induced immediate early genes are regulated by the acetylation status of the CTD (PubMed:24207025) . Methylation and dimethylation have a repressive effect on target genes expression (By similarity) .

Isotype: IgG

Conjugate: Non-conjugated

Clonality: Polyclonal

Uniport ID: P24928

Host Species: Rabbit

Species Reactivity: Human

Immunogen: Recombinant Human DNA-directed RNA polymerase II subunit RPB1 protein (76-298AA)

Immunogen Species: Homo sapiens (Human)

Applications: ELISA, IHC, IF

Tested Applications: ELISA, IHC, IF; Recommended dilution: IHC:1:200-1:500, IF:1:100-1:500

Purification Method: >95%, Protein G purified

Dilution Ratio1: IHC:1:200-1:500

Dilution Ratio2: IF:1:100-1:500

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Buffer: Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, PH 7.4

Form: Liquid

Storage: Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.

Initial Research Areas: Signal Transduction

Research Areas: Signal Transduction