Protein Z (PROZ) Mouse Monoclonal Antibody [Clone ID: 2B4]

Specifications

Product Data
Clone Name	2B4
Applications	ELISA, WB
Recommend Dilution	ELISA: 1/10000.  Western Blot: 1/500 - 1/2000.
Reactivity	Human
Host	Mouse
Clonality	Monoclonal
Immunogen	Purified recombinant fragment of PROZ expressed in E. Coli.
Specificity	Recognizes PROZ protein Z, vitamin K-dependent plasma glycoprotein.
Formulation	State: Ascites State: Ascitic fluid containing 0.03% Sodium Azide.
Conjugation	Unconjugated
Storage Condition	Store the antibody undiluted at 2-8°C for one month or (in aliquots) at -20°C for longer. Avoid repeated freezing and thawing.
Predicted Protein Size	45 kDa
Gene Name	protein Z, vitamin K dependent plasma glycoprotein
Database Link	Entrez Gene 8858 Human UniProt ID P22891
Background	PROZ protein Z, vitamin K-dependent plasma glycoprotein. It is 62 kDa large and 396 amino acids long. It has four domains: a gla-rich region, two EGF-like domains and a trypsin-like domain. It lacks the serine residue that would make it catalytically active as a serine protease. It is a member of the coagulation cascade, the group of blood proteins that leads to the formation of blood clots. It is vitamin K-dependent, and its functionality is therefore impaired in warfarin therapy. It is a glycoprotein. Although it is not enzymatically active, it is structurally related to several serine proteases of the coagulation cascade: factors VII, IX, X and protein C. The carboxyglutamate residues (which require vitamin K) bind protein Z to phospholipid surfaces. The main role of protein Z appears to be the degradation of factor Xa. This is done by protein Z-related protease inhibitor (ZPI), but the reaction is accelerated 1000-fold by the presence of protein Z. Oddly, ZPI also degrades factor XI, but this reaction does not require the presence of protein Z. In some studies, deficiency states have been associated with a propensity to thrombosis. Others, however, link it to bleeding tendency; there is no clear explanation for this, as it acts physiologically as an inhibitor, and deficiency would logically have led to a predisposition for thrombosis.
Synonyms	PZ
Reference Data

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