SerpinB2 Antibody


Western Blot: SerpinB2 Antibody [NBP1-51279] - Extracts from MCF-7 cells.
Immunohistochemistry-Paraffin: SerpinB2 Antibody [NBP1-51279] - Human brain tissue.

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SerpinB2 Antibody Summary

Synthetic peptide, corresponding to amino acids 281-330 of Human PAI-2.
PAI-2 (V307) pAb detects endogenous levels of PAI-2 protein.
Immunogen affinity purified
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  • Western Blot 1:500-1:1000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Paraffin 1:50-1:200
Application Notes
Western blot (WB) analyzes of PAI-2 (V307) pAb in extracts from MCF-7 cells.
Immunohistochemistry (IHC) analyzes of PAI-2 (V307) pAb in paraffin-embedded human brain tissue.
Theoretical MW
45 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Reactivity Notes


Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
PBS (pH 7.2)
0.05% Sodium Azide
1.0 mg/ml
Immunogen affinity purified

Alternate Names for SerpinB2 Antibody

  • HsT1201
  • Monocyte Arg-serpin
  • PAI
  • PAI2
  • PAI2Urokinase inhibitor
  • Placental plasminogen activator inhibitor
  • PLANH2
  • 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


PAI-1 and PAI-2 (for plasminogen activator inhibitor-1 and -2) are members of the serpin serine proteinase inhibitor family. PAI-1 and PAI-2 have been shown to regulate uPA (urokinase-type plasminogen activator) and tPA (tissue plasminogen activator), resulting in the inhibition of proteolytic activity. Members of the serpin family generally complex with their target proteinases, then disassociate slowly into cleaved species that fold into stable inactive forms. PAI-1 can fold into the inactive state without cleavage, resulting in the latent form of PAI-1. Activity can be restored to the latent form of PAI-1 through denaturation and renaturation. PAI-2 occurs in secreted and cytosolic forms through facultative polypeptide translocation. uPA is a serine proteinase that is a member of the trypsin family. It is responsible for the cleavage of plasminogen at the Arg-Val bond to produce plasmin. uPA consists of two chains designated A and B. The A chain can be cleaved, resulting in low and high molecular mass forms of uPA.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Gene Symbol SERPINB2