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Human FKBP4 / FKBP52 Protein, His Tag & PA Tag  pdf  pdf  pdf

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Human FKBP4 / FKBP52 Protein, His Tag & PA Tag, Met 1 - Ala 459 (Accession # AAH01786) was produced in human 293 cells (HEK293) at ACROBiosystems.

Molecular Characterization

FKBP4 (Met 1-Ala 459)AAH01786



This protein carries a polyhistidine tag at the C-terminus, followed by a PA tag, and has a calculated MW of 55.1 kDa. The predicted N-terminus is Met 1. The reducing (R) protein migrates as 60 kDa in SDS-PAGE.


Less than 1.0 EU per μg by the LAL method.


>90% as determined by SDS-PAGE.


Lyophilized from 0.22 μm filtered solution in 50 mM tris, 100 mM glycine, pH7.5. Normally Trehalose is added as protectant before lyophilization.

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See Certificate of Analysis for reconstitution instructions and specific concentrations.


Avoid repeated freeze-thaw cycles.

No activity loss was observed after storage at:
In lyophilized state for 1 year (4°C); After reconstitution under sterile conditions for 3 months (-70°C).



Human FKBP4 / FKBP52 Protein, His Tag & PA Tag
Human FKBP4, His Tag & PA Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.


Peptidyl-prolyl cis-trans isomerase FKBP4 (PPIase FKBP4) is also known as immunophilin FKBP52. FKBP4 is a member of the immunophilin protein family, which play a role in immunoregulation and basic cellular processes involving protein folding and trafficking. FKBP4 has high structural and functional similarity to FK506-binding protein 1A (FKBP1A), but unlike FKBP1A, this protein does not have immunosuppressant activity when complexed with FK506. FKBP4 interacts with interferon regulatory factor-4 and plays an important role in immunoregulatory gene expression in B and T lymphocytes.

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