Anti-RNA polymerase II subunit B1 (phospho-CTD Ser-5) Antibody, clone 3E8

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一般描述

RPB1 (RNA polymerase II subunit B1) is the catalytic component of RNA polymerase II which synthesizes mRNA and non-coding RNAs. During transcription, elongation is influenced by the phosphorylation status of the C-terminal domain (CTD) of RPB1, which acts as an assembly platform for factors regulating transcription initiation, elongation, termination and mRNA processing. Phosphorylation occurs mainly at residues ′Ser-2′ and ′Ser-5′ of the tandem 7 residue repeats in the C-terminal domain (CTD), which activates Pol II. This phosphorylation also can occur at ′Ser-7′ of the heptapepdtide repeat. This antibody recognizes the ′Ser-5′ CTD residue of RPB1.

特异性

This antibody recognizes RNA Polymerase II subunit B1 phosphorylated at Ser5 of the C-terminus domain (CTD).

免疫原

Ovalbumin-conjugated linear peptide corresponding to human RNA Polymerase II subunit B1 phosphorylated at Ser5 of the C-terminal domain (CTD).
Epitope: Phosphorylated Ser5 at the C-terminus domain (CTD).

应用

Research Sub Category
Transcription Factors
Anti-RNA polymerase II subunit B1 (phospho-CTD Ser-5) Antibody, clone 3E8 is a highly specific rat monoclonal antibody, that targets RNA Polymerase & has been tested in western blotting & ELISA.
Research Category
Epigenetics & Nuclear Function
Chromatin Immunoprecipitation Analysis: A representative lot was used by an independent laboratory to immunoprecipitate RNA polymerase II subunit B1 (phospho-CTD Ser-5) in ChIP (Chapman, R., et al. (2007). Science. 318(5857):1780 -1782.).

ELISA Analysis: A representative lot was used by an independent laboratory to detect RNA polymerase II subunit B1 (phospho-CTD Ser-5) in ChIP (Chapman, R., et al. (2007). Science. 318(5857):1780 -1782.).

质量

Evaluated by Western Blot in untreated and lambda phosphotase treated NIH/3T3 cell lysates.

Western Blot Analysis: A 1:2,000 dilution from a representative lot detected RNA polymerase II subunit B1 (phospho-CTD Ser-5) in 10 ?g of untreated and lambda phosphotase treated NIH/3T3 cell lysates.

目标描述

~220 kDa observed

联系

Replaces: 04-1572

外形

Unpurified
Rat monoclonal IgG2aκ with 0.05% sodium azide.

储存及稳定性

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

分析说明

Control
Untreated and lambda phosphotase treated NIH/3T3 cell lysates

免责声明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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