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Substance Name: Proteinase inhibitor, PAI-1
RN: 140208-23-7


  • A member of the serpin family of proteins. It inhibits both the tissue-type and urokinase-type plasminogen activators.

Molecular Formula

  • Unspecified

Classification Codes

  • Enzyme Inhibitors
  • Protease Inhibitors
  • Serine Proteinase Inhibitors
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Links to Resources

Names and Synonyms

MeSH Heading

  • Plasminogen Activator Inhibitor 1


  • Plasminogen activator inhibitor 1
  • Plasminogen activator inhibitor type 1
  • Serpin E1
  • Sialoglycoproteins, EIP-1

Systematic Name

  • Proteinase inhibitor, PAI-1

Registry Numbers

CAS Registry Number

  • 140208-23-7

System Generated Number

  • 0140208237