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C3805

Sigma-Aldrich

Cyclophilin A human

≥95% (SDS-PAGE), recombinant, expressed in E. coli, buffered aqueous solution

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Synonym(s):
CyP
CAS Number:
Enzyme Commission number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

human

Quality Level

recombinant

expressed in E. coli

assay

≥95% (SDS-PAGE)

form

buffered aqueous solution

mol wt

20 kDa

concentration

≥0.3 mg/mL

technique(s)

cell culture | mammalian: suitable

UniProt accession no.

storage temp.

−20°C

Gene Information

human ... PPIA(5478)

General description

Cyclophilins are a family of extremely conserved proteins, known as immunophilins. Cyclophilin A (CyPA) is present in all tissues in prokaryotes and eukaryotes. It is present in all organs of human. Cyclophilin A (CyPA), a 20 kDa chaperone protein, that is liberated from vascular smooth muscle cells (VSMCs).

Application

Cyclophilin A human has been used in the study to interpret the mechanisms by which extracellular CyPA initiates endothelial activation.

Biochem/physiol Actions

Cyclophilin A (CyPA) participates in intracellular signalling and protein trafficking. It helps to control other proteins activity. CyPA plays a physiological and pathological role in cardiovascular diseases. Hence it acts as an important biomarker and mediator in several cardiovascular diseases, like vascular stenosis, atherosclerosis and abdominal aortic aneurysms. CyPA can induce the proliferation and inflammatory cell migration of vascular smooth muscle cells (VSMC) in vitro and in vivo.
Cyclophilins are peptidyl prolyl isomerases that catalyze the cis-trans isomerization of X-Pro peptide bonds. They are highly-conserved cytoplasmic enzymes that accelerate protein folding and facilitate HIV infectivity. Cyclosporin A binds to cyclophilin and inhibits its activity. The cyclosporin A-cyclophilin complex binds to calcineurin and inhibits T-cell activation. The structure of human, recombinant cyclophilin is given by Holzman, et al.

Physical form

Composed of amino acids 1-165 plus an N-terminal 20 amino acid His-tag
Solution in 20mM Tris, pH 8.0, containing 20 mM NaCl, 0.5 mM DTT and 10% glycerol

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


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Julien Pottecher et al.
Journal of vascular surgery, 57(4), 1100-1108 (2013-01-22)
By binding to cyclophilin D, cyclosporine A (CsA) inhibits mitochondrial permeability transition pore (mPTP) opening and prevents mitochondrial dysfunction and ultimately cell death after ischemia-reperfusion (IR) injury in cardiac muscle. This study tested whether CsA would decrease skeletal muscle oxidative
Cyclophilin A
Satoh K, et al.
Circulation Journal, 74(11), 2249-2256 (2010)
Nikhil Raghuram et al.
The Journal of cell biology, 203(1), 57-71 (2013-10-09)
Histone H1 plays a crucial role in stabilizing higher order chromatin structure. Transcriptional activation, DNA replication, and chromosome condensation all require changes in chromatin structure and are correlated with the phosphorylation of histone H1. In this study, we describe a
G Fischer et al.
Nature, 337(6206), 476-478 (1989-02-02)
The enzyme peptidyl-prolyl cis-trans isomerase (PPIase) was recently discovered in mammalian tissues and purified from porcine kidney. It catalyses the slow cis-trans isomerization of proline peptide (Xaa-Pro) bonds in oligopeptides and accelerates slow, rate-limiting steps in the folding of several
Diana L van de Hoef et al.
Development (Cambridge, England), 140(4), 810-819 (2013-01-16)
Presenilins were identified as causative factors in familial Alzheimer's disease and also play an essential role in Notch signaling during development. We previously identified FKBP14, a member of the family of FK506-binding proteins (FKBPs), as a modifier of Presenilin in

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