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Human Cyclophilin B / PPIB Protein  pdf  pdf  pdf

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PPB-H5229-1mg (250ug x 4)
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Human PPIB, His Tag (PPB-H5229) is expressed from human 293 cells (HEK293). It contains AA Asp 34 - Ala 212 (Accession # NP_000933).

Predicted N-terminus: Asp 34

Molecular Characterization

PPIB(Asp 34 - Ala 212)NP_000933

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 20.7 kDa. The protein migrates as 22 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.


Less than 1.0 EU per μg by the LAL method.


>95% as determined by SDS-PAGE.


Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

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Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.


For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

No activity loss is observed after storage at:

  1. 4-8°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.


Human PPIB, His Tag (Cat. No. PPB-H5229) SDS-PAGE gel

Human PPIB, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.



Peptidyl-prolyl cis-trans isomerase B (PPIB or PPIase B) is also known as Cyclophilin B (CYPB), Rotamase B, S-cyclophilin (SCYLP), is a cyclosporine-binding protein and is mainly located within the endoplasmic reticulum, which belongs to the cyclophilin-type PPIase family and PPIase B subfamily. PPIB / CYPB contains one PPIase cyclophilin-type domain. PPIases accelerate the folding of proteins and catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides.


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