JTB Recombinant Protein Antigen


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Product Details

Reactivity HuSpecies Glossary
Applications AC

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JTB Recombinant Protein Antigen Summary

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

Source: E. coli


Fusion Tag: N-terminal His6ABP (ABP = Albumin Binding Protein derived from Streptococcal Protein G)

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.

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 recombinant antigen is only intended to be used as a blocking agent to confirm antibody specificity with the corresponding antibody, catalog number NBP1-81746.

It is purified by IMAC chromatography, and the expected concentration is greater than 0.5 mg/ml.

For current lot information, including availability, please contact our technical support team click nb-technical@bio-techne.com

For further blocking peptide related information and a protocol, click here.

Theoretical MW
25 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

Alternate Names for JTB Recombinant Protein Antigen

  • Gm622
  • hJT
  • HJTB
  • HSPC222
  • JTB
  • Jumping translocation breakpoint protein
  • jumping translocation breakpoint
  • PAR Protein
  • PAR
  • Prostate androgen-regulated protein
  • protein JTB


JTB, also known as Protein JTB, has a 146 amino acid long isoform that is 16 kDa and a short 117 amino acid that is 13 kDa; needed for normal cytokinesis during mitosis, participates in the regulation of cell proliferation, may be a component of the chromosomal passenger complex (CPC), a complex that acts as a key regulator of mitosis. The CPC complex has essential functions at the centromere in ensuring correct chromosome alignment and segregation and is required for chromatin-induced microtubule stabilization and spindle assembly, fosters AURKB activity, its overexpression induces swelling of mitochondria and reduces mitochondrial membrane potential. Disease research is currently being studied with relation to JTB and lymph node tuberculosis, tuberculous meningitis, abdominal tuberculosis, prostatitis, hepatocellular carcinoma, carcinoma, and adenoid cystic carcinoma. The protein has been shown to interact with AURKA, AURKB, BIRC5, INCENP, and LIG3 proteins in apoptotic process, regulation of cell proliferation, cell cycle cytokinesis, mitosis, and cell cycle pathways.


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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Array NBP1-81746PEP

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Gene Symbol JTB