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RNA Polymerase II/POLR2A Antibody (4H8) [Alexa Fluor® 350]

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RNA Polymerase II/POLR2A Antibody (4H8) [Alexa Fluor® 350] [NB200-598AF350] - Vial of Alexa Fluor 350 conjugated antibody. Alexa Fluor 350 is optimally excited at 346 nm by the UV laser (350 or 355 nm) and has an ...read more

Product Details

Summary
Reactivity Hu, Mu, Ye, Pm(-), Dr, Ha, PlSpecies Glossary
Applications WB, ELISA, Flow, ICC/IF, IP, ChIP, CyTOF-ready
Clone
4H8
Clonality
Monoclonal
Host
Mouse
Conjugate
Alexa Fluor 350

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RNA Polymerase II/POLR2A Antibody (4H8) [Alexa Fluor® 350] Summary

Immunogen
10 repeats of synthetic peptide YSPTSPS using chemically synthesized phospho-Ser 5 YSPTSpPS (Human). [UniProt# P24928]
Specificity
Please note that this antibody detects both unphosphorylated and phosphorylated forms of the protein. When using this antibody in western blot and IP, it recognizes both the II0 and IIA form of RPB1 (ie the largest RNAPII subunit). These different forms of RPB1 (as seen in gels) have traditionally been loosely defined as 'hyper-' and 'hypo-phosphorylated', respectively. Here, however, it is important to remember that RPB1 contains no less than 52 repeats of a heptapeptide (TSPTSPS) that can be phosphorylated at different positions (Tyr1, Ser2, Thr4, Ser5 and Ser7; this antibody was raised against a synthetic peptide with 10 of these repeats, mostly but probably not entirely, chemically phosphorylated at Ser5). So, when we say that it recognizes both forms (II0/hyper-phos and IIA/hypo-phos), it might really just mean that the antibody recognizes a few phosphorylated Ser5s among 52 otherwise mostly un-phosphorylated repeats. Alternatively, it might conceivably (though less likely) recognize UN-phosphorylated repeats as there might conceivably be a few of those even in the II0/hyper-phos RPB1 form.'
Predicted Species
Hamster (100%), Drosophila (100%), Plant (100%). Backed by our 100% Guarantee.
Isotype
IgG1
Clonality
Monoclonal
Host
Mouse
Gene
POLR2A
Purity
Protein G purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.

Applications/Dilutions

Dilutions
  • Chromatin Immunoprecipitation (ChIP)
  • CyTOF-ready
  • ELISA
  • Flow (Intracellular)
  • Flow Cytometry
  • Immunocytochemistry/ Immunofluorescence
  • Immunoprecipitation
  • Western Blot
Application Notes
Optimal dilution of this antibody should be experimentally determined.

Reactivity Notes

Does not cross react with monkey.

Packaging, Storage & Formulations

Storage
Store at 4C in the dark.
Buffer
50mM Sodium Borate
Preservative
0.05% Sodium Azide
Purity
Protein G purified

Notes

Alexa Fluor (R) products are provided under an intellectual property license from Life Technologies Corporation. The purchase of this product conveys to the buyer the non-transferable right to use the purchased product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components, or any materials made using the product or its components, in any activity to generate revenue, which may include, but is not limited to use of the product or its components: (i) in manufacturing; (ii) to provide a service, information, or data in return for payment; (iii) for therapeutic, diagnostic or prophylactic purposes; or (iv) for resale, regardless of whether they are resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5791 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com. This conjugate is made on demand. Actual recovery may vary from the stated volume of this product. The volume will be greater than or equal to the unit size stated on the datasheet.

Alternate Names for RNA Polymerase II/POLR2A Antibody (4H8) [Alexa Fluor® 350]

  • DNA-directed RNA polymerase II largest subunit, RNA polymerase II 220 kdsubunit
  • DNA-directed RNA polymerase II subunit A
  • DNA-directed RNA polymerase II subunit RPB1
  • DNA-directed RNA polymerase III largest subunit
  • EC 2.7.7.48
  • EC 2.7.7.6
  • hRPB220
  • hsRPB1
  • MGC75453
  • POLR2
  • POLR2A
  • POLRA
  • polymerase (RNA) II (DNA directed) polypeptide A (220kD)
  • polymerase (RNA) II (DNA directed) polypeptide A, 220kDa
  • RNA Pol 2
  • RNA Polymerase 2
  • RNA polymerase II subunit B1
  • RNA Polymerase II
  • RNA-directed RNA polymerase II subunit RPB1
  • RNAPII
  • RPB1
  • RPBh1
  • RpIILS
  • RPO2
  • RPOL2

Background

RNA polymerase II (RNAPII) is an essential component of the RNAP II transcription elongation complex. Recruitment of RNA processing factors to the elongation complex is coordinated by the phosphorylation of Serine-2 and Serine-5 residues within the C-terminal repeat (YSPTSPS) domain of the largest subunit of RNAPII.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Video Protocols

WB Video Protocol
ICC/IF Video Protocol

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Bioinformatics

Gene Symbol POLR2A