Inhibition of human leukocyte proteinase 3 by a novel recombinant serine proteinase inhibitor (LEX032). 1997

W C Groutas, and S Ruan, and R Kuang, and J B Hook, and H Sands
Department of Chemistry, Wichita State University, Kansas 67260, USA.

The interaction of a bioengineered serpin (LEX032) with human leukocyte proteinase 3 (PR 3) has been investigated. LEX032 was found to be a time-dependent inhibitor of PR 3, forming a highly-stable enzyme-inhibitor complex (Ki 12 nM).

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D007962 Leukocytes White blood cells. These include granular leukocytes (BASOPHILS; EOSINOPHILS; and NEUTROPHILS) as well as non-granular leukocytes (LYMPHOCYTES and MONOCYTES). Blood Cells, White,Blood Corpuscles, White,White Blood Cells,White Blood Corpuscles,Blood Cell, White,Blood Corpuscle, White,Corpuscle, White Blood,Corpuscles, White Blood,Leukocyte,White Blood Cell,White Blood Corpuscle
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D001665 Binding Sites The parts of a macromolecule that directly participate in its specific combination with another molecule. Combining Site,Binding Site,Combining Sites,Site, Binding,Site, Combining,Sites, Binding,Sites, Combining
D012697 Serine Endopeptidases Any member of the group of ENDOPEPTIDASES containing at the active site a serine residue involved in catalysis. Serine Endopeptidase,Endopeptidase, Serine,Endopeptidases, Serine
D015842 Serine Proteinase Inhibitors Exogenous or endogenous compounds which inhibit SERINE ENDOPEPTIDASES. Serine Endopeptidase Inhibitor,Serine Endopeptidase Inhibitors,Serine Protease Inhibitor,Serine Protease Inhibitors,Serine Proteinase Antagonist,Serine Proteinase Antagonists,Serine Proteinase Inhibitor,Serine Proteinase Inhibitors, Endogenous,Serine Proteinase Inhibitors, Exogenous,Serine Protease Inhibitors, Endogenous,Serine Protease Inhibitors, Exogenous,Antagonist, Serine Proteinase,Endopeptidase Inhibitor, Serine,Inhibitor, Serine Endopeptidase,Inhibitor, Serine Protease,Inhibitor, Serine Proteinase,Protease Inhibitor, Serine,Proteinase Antagonist, Serine,Proteinase Inhibitor, Serine
D015843 Serpins A family of serine proteinase inhibitors which are similar in amino acid sequence and mechanism of inhibition but differ in their specificity toward proteolytic enzymes. Some members of the serpin family may be substrates rather than inhibitors of SERINE ENDOPEPTIDASES. Serpin,Serpin Superfamily,Serpin Peptidase Inhibitors,Serpin Protease Inhibitors,Inhibitors, Serpin Peptidase,Inhibitors, Serpin Protease,Peptidase Inhibitors, Serpin,Protease Inhibitors, Serpin,Superfamily, Serpin
D053146 Myeloblastin A polymorphonuclear leukocyte-derived serine protease that degrades proteins such as ELASTIN; FIBRONECTIN; LAMININ; VITRONECTIN; and COLLAGEN. It is named for its ability to control myeloid cell growth and differentiation. Neutrophil Proteinase 3,Wegener Autoantigen,Azurophil Granule Protein 7,C-ANCA Antigen,Leukocyte Proteinase 3,Myeloblastin, Human,N-Proteinase 4,Neutrophil Proteinase 3, Human,Neutrophil Proteinase 4,PRTN3 Gene Protein,Proteinase 3,Antigen, C-ANCA,Autoantigen, Wegener,C ANCA Antigen,Human Myeloblastin,N Proteinase 4,Protein, PRTN3 Gene,Proteinase 3, Leukocyte,Proteinase 3, Neutrophil,Proteinase 4, Neutrophil

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