P2200
Protein C from human plasma
Activated, lyophilized powder, ≥90% (SDS-PAGE)
Synonym(s):
Activated Protein C
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About This Item
CAS Number:
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.61
Recommended Products
biological source
human plasma
Quality Level
Assay
≥90% (SDS-PAGE)
form
lyophilized powder
mol wt
heavy chain 41 kDa
light chain 21 kDa
technique(s)
inhibition assay: suitable
solubility
H2O: 1 mg/mL
UniProt accession no.
storage temp.
−20°C
Gene Information
human ... PROC(5624)
General description
Protein C from human plasma is encoded by the gene PROC. In human chromosome, the gene is localised on chromosome 2q14. Activated protein C (APC) cleaves protease activated receptor 1 (PAR1) resulting in cytoprotective and anti-inflammatory effects. Clinical trials with APC implicates its use in treating severe early onset preeclampsia in pregnant women and prolongs pregnancy and helps in perinatal outcomes.
Application
Protein C from human plasma has been used for pre-treatment of endothelial cells prior to antibody-inhibition assay. It has also been used in activated protein C (APC) assay to determine its inhibitory effect on copper.
Biochem/physiol Actions
In addition, activated protein C has been shown to inhibit TNF-α induced expression of the inflammatory proteins VCAM, ICAM-I, and Ilk-8 in endothelial cells.
Protein C is a plasma, vitamin κ-dependent zymogen of a serine protease that can inhibit blood coagulation by inhibiting thrombin formation, selectively inactivating Factors Va and VIIIa.
Protein C is a plasma, vitamin κ-dependent zymogen of a serine protease that can inhibit blood coagulation by inhibiting thrombin formation, selectively inactivating Factors Va and VIIIa. The Protein C anticoagulant pathway is triggered when thrombin binds to the endothelial cell proteoglycan, thrombomodulin. This complex, which cannot clot blood, is a potent activator of the protein C zymogen. Activation involves the release of a dodecapeptide from the N-terminal domain of the heavy chain. The activated Protein C (APC) then binds to protein S on cell surfaces and inactivates the coagulation factors Va and VIIIa by proteolysis. APC has also been shown to bind to receptors on the endothelium of large blood vessels.
Physical form
Lyophilized powder from 20 mM Tris-HCl, pH 7.4, containing 0.1 M NaCl
Disclaimer
RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Copper inhibits activated protein C: protective effect of human albumin and an analogue of its high-affinity copper-binding site, d-DAHK
Bar-Or D, et al.
Biochemical and Biophysical Research Communications, 290(5), 1388-1392 (2002)
K A Hill et al.
The Biochemical journal, 251(1), 229-236 (1988-04-01)
The paramagnetic effect of Mn2+ on the electron paramagnetic resonance spectrum of a nitroxide spin label covalently attached to the active-site serine residue of des-1-41-light chain bovine plasma-activated protein C, and situated at a distance of approximately 1.2 nm from
K A Hill et al.
The Journal of biological chemistry, 262(15), 7105-7108 (1987-05-25)
The paramagnetic effect of Mn2+ on the longitudinal relaxation rate (T1)-1 of 205Tl+, when both cations are bound to des-1-41-light chain bovine plasma protein C (GDPC) and its activation product, des-1-41-light chain-activated bovine plasma protein C (GDAPC), has been assessed
C T Esmon
Science (New York, N.Y.), 235(4794), 1348-1352 (1987-03-13)
Vascular endothelium plays an active role in preventing blood clot formation in vivo. One mechanism by which prevention is achieved involves a cell surface thrombin-binding protein, thrombomodulin, which converts thrombin into a protein C activator. Activated protein C then functions
K A Hill et al.
The Journal of biological chemistry, 262(15), 7098-7104 (1987-05-25)
The kinetic properties of the stimulation by Tl+ of the amidase activity of bovine plasma activated protein C (APC) and a limited-proteolytic derivative of this enzyme, des-1-41-light chain APC (GDAPC), which has no remaining gamma-carboxyglutamic acid residues, have been compared
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