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Gibco
Human PAI-2 Recombinant Protein, PeproTech®
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Product Details
140-06-10UG
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Published species
Human,
Mouse
Expression System
E. coli
Amino acid sequence
MEDLCVANTL FALNLFKHLA KASPTQNLFL SPWSISSTMA MVYMGSRGST EDQMAKVLQFNEVGANAVTP MTPENFTSCG FMQQIQKGSY PDAILQAQAA DKIHSSFRSL SSAINASTGNYLLESVNKLF GEKSASFREE YIRLCQKYYS SEPQAVDFLE CAEEARKKIN SWVKTQTKGKIPNLLPEGSV DGDTRMVLVN AVYFKGKWKT PFEKKLNGLY PFRVNSAQRT PVQMMYLREKLNIGYIEDLK AQILELPYAG DVSMFLLLPD EIADVSTGLE LLESEITYDK LNKWTSKDKMAEDEVEVYIP QFKLEEHYEL RSILRSMGME DAFNKGRANF SGMSERNDLF LSEVFHQAMVDVNEEGTEAA AGTGGVMTGR TGHGGPQFVA DHPFLFLIMH KITNCILFFG RFSSP
Molecular weight
46.5 kDa
Class
Recombinant
Type
Protein
Purity
≥ 95% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration
<1 EU/µg
Activity
Determined by its inhibitory effect against single chain tPA induced cleavage of a chromogenic substrate in Imidazole Buffer at 37°C. Half maximal inhibition against 1.0 ug/ml of single chain tPA was obtained at a concentration of 1.0 ug/ml
Conjugate
Form
Lyophilized
Purification
purified
Contains
no preservative
Storage conditions
-20°C
Shipping conditions
Ambient
Product Specific Information
140-06-1MG will be provided as 2 x 500 µg (140-06-500UG).
Recombinant Human PAI-2 is a 46.5 kDa, nonglycosylated protein of 415 residues.
This product is shipped at ambient temperature. For storage, handling and reconstitution information, please see the lot-specific Certificate of Analysis
Target Information
PAI-2 is an inhibitory serpin expressed mainly in keratinocytes, activated monocytes, and placental trophoblasts. It exists predominantly as a 47 kDa, nonglycosylated, intracellular protein, which can be induced to be secreted as 60 kDa glycoprotein. The glycosylated and unglycosylated forms of PAI-2 are equally effective as inhibitors of urokinase-type plasminogen activator (uPA), the only established physiological target of this serpin. PAI-2 has a unique ability to form dormant polymers spontaneously and reversibly under physiological conditions. The physiological relevance of this property, which is neither a consequence of any mutation in the PAI-2 gene nor associated with any known disorder, is still unclear. However, it appears that the formation of intracellular, dormant polymers may be important for the controlled release of the inhibitor from PAI-2 producing cells. Plasma levels of PAI-2 are usually low or undetectable, except during pregnancy and in some forms of monocytic leukemia. Secretion of PAI-2 from the placenta normally occurs during the third trimester of pregnancy, and accounts for the dramatic increase in PAI-2 levels (up to 250 ng/ml), which are maintained at these levels until postpartum, and then rapidly decline. In addition to its vital role in protecting the placenta from degradation by uPA and/or uPA-activated proteases, PAI-2 has been shown to be essential for the prevention of metastatic spread of neck, lung and breast cancers. The beneficial effect of PAI-2 seen in these studies is presumed to stem from its ability to inhibit uPA-dependent cell dissemination. PAI-2 has also been reported to inhibit keratinocyte proliferation, and to participate in the innate immune response during viral infection.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Bioinformatics
Protein Aliases: Monocyte Arg-serpin; PAI-2; Placental plasminogen activator inhibitor; Plasminogen activator inhibitor 2; plasminogen activator inhibitor, type II (arginine-serpin); serine (or cysteine) proteinase inhibitor, clade B (ovalbumin), member 2; Serpin B2; serpin peptidase inhibitor, clade B (ovalbumin), member 2; Urokinase inhibitor
Gene Aliases: HsT1201; PAI; PAI-2; PAI2; PLANH2; SERPINB2
UniProt ID: (Human) P05120
Entrez Gene ID: (Human) 5055
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