FLJ21908 Recombinant Protein Antigen


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Product Details

Reactivity HuSpecies Glossary
Applications AC

Order Details

FLJ21908 Recombinant Protein Antigen Summary

A recombinant protein antigen with a N-terminal His6-ABP tag corresponding to human RPAP3.

Source: E.coli


E. coli
Protein/Peptide Type
Recombinant Protein Antigen
>80% by SDS-PAGE and Coomassie blue staining


  • Antibody Competition 10 - 100 molar excess
Application Notes
This peptide is useful as a blocking peptide for NBP1-89849.
Protein was purified by IMAC chromatography. The expected concentration is greater than 0.5 mg/ml. This product is produced on demand, estimated shipping date is 4 weeks after the order is placed.

For further blocking peptide related information and a protocol, click here.
Theoretical MW
28 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

Store at -20C. Avoid freeze-thaw cycles.
PBS and 1M Urea, pH 7.4.
No Preservative
>80% by SDS-PAGE and Coomassie blue staining


This product is intended to be used as a blocking antigen for antibody competition assays. Any other use of this antigen is done at the risk of the user. The use of this product for commercial production is strictly prohibited. Please contact technical support if you have any questions.

Alternate Names for FLJ21908 Recombinant Protein Antigen

  • FLJ21908
  • RNA polymerase II associated protein 3
  • RNA polymerase II-associated protein 3
  • spag


FLJ21908, also known as RNA polymerase II associated protein, has a 665 amino acid isoform that is 76 kDa, a 631 amino acid isoform that is 72 kDa, and a 506 amino acid isoform that is 57 kDa; is involved in formation of an interface between the RNA polymerase II enzyme and chaperone/scaffolding protein, suggesting that it is required to connect RNA polymerase II to regulators of protein complex formation. Disease research suggests correlation of this protein with sickle cell trait and malaria. This protein has interactions with HSP90AA1, HSP90AB1, MAP3K3, ITCH, PPP1CA, POLR2A, HELLS, WDR92 and TEL02.


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

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Gene Symbol RPAP3