BioVision Products
Human CellExp™ TFPI, human recombinant
- SKU:
- 7453-10
Description
Human CellExp™ TFPI, human recombinant is available at Gentaur for Next week delivery.
A protein which reversibly inhibit Factor Xa (Xa) and Thrombin (Factor IIa)
Biomolecule/Target: TFPI
Alternates names: TFPI, LACI, TFPI1, EPI, TFI
Synonyms: TFPI, LACI, TFPI1, EPI, TFI
Background Information: Tissue factor pathway inhibitor (TFPI) also known as Extrinsic pathway inhibitor (EPI), Lipoprotein - associated coagulation inhibitor (LACI), is a plasma proteinase inhibitor synthesized by vascular endothelial cells and part of it is associated with glycosaminoglycans of these cells. TFPI is a single-chain polypeptide which can reversibly inhibit Factor Xa (Xa) and Thrombin (Factor IIa). TFPI is a secreted protein with a Nterminal acidic region, three Kunitz (K) domains separated with by two linker regions, and a Cterminal basic region. The first K domain inhibits coagulation factor VIIa complexed to tissue factor (TF); The second K domain inhibits factor Xa; The third K domain binds to heparin; The Cterminal basic region may have several functions. For example, it plays an important role in binding of TFPI to cell surfaces.
Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.
NCBI Gene Symbol: TFPI
Gene ID: 7035
NCBI Accession: P10646
Additional Information
Size: |
10 μg |
Country of Manufacturing Origin: |
USA |
Country of Animal Origin: |
USA |
Gene Source: |
Human |
Recombinant: |
Yes |
Source: |
HEK293 cells |
Purity by SDS-PAGE: |
≥95% |
Assay: |
SDS-PAGE |
Purity: |
N/A |
Assay 2: |
N/A |
Endotoxin Level: |
<1 EU/μg by LAL method |
Activity (Specifications/test method): |
N/A |
Biological activity: |
Measured by its ability to inhibit trypsin cleavage of a fluorogenic peptide substrate, Mca - RPKPVE - Nval – WRK (Dnp) - NH2. The IC50 value is < 0.35 nM, as measured in 100 μl reaction mixture containing 1.25 ng trypsin, 10 μM substrate, 50 mM Tris |
Results: |
Measured by its ability to inhibit trypsin cleavage of a fluorogenic peptide substrate, Mca - RPKPVE - Nval – WRK (Dnp) - NH2. The IC50 value is < 0.35 nM, as measured in 100 μl reaction mixture containing 1.25 ng trypsin, 10 μM substrate, 50 mM Tris |
Molecular Weight: |
This protein is fused with 6×His tag at the C-terminus, has a calculated MW of 30 kDa. The predicted N-terminus is Asp 29. DTT-reduced Protein migrates as 41-45 kDa due to glycosylation. |
Storage Temperature: |
-20°C |
Shelf Life: |
12 months |
Concentration: |
N/A |
Appearance: |
Lyophilized |
Handling: |
Centrifuge the vial prior to opening. |
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