BINDING OF THE BOVINE BASIC PANCREATIC TRYPSIN-INHIBITOR (KUNITZ) TO HUMAN GLU1-PLASMIN, LYS77-PLASMIN, VAL442-PLASMIN AND VAL561-PLASMIN - A COMPARATIVE-STUDY

被引:7
作者
ASCENZI, P
AMICONI, G
BOLOGNESI, M
MENEGATTI, E
GUARNERI, M
机构
[1] UNIV PAVIA, DEPT GENET & MICROBIOL, CRYSTALLOG SECT, I-27100 PAVIA, ITALY
[2] UNIV FERRARA, DEPT PHARMACEUT SCI, I-44100 FERRARA, ITALY
关键词
(Bovine trypsin inhibitor); (Human plasmin); Basic pancreatic trypsin inhibitor; inhibitor complex formation; Kinetics; Kunitz inhibitor; Proteinase; Thermodynamics;
D O I
10.1016/0167-4838(90)90157-B
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Thermodynamic and kinetic parameters for the binding of the bovine basic bancreatic trypsin inhibitor (BPTI, Kunitz inhibitor) to human Glu1-, Lys77-, Val442- and Val561-plasmin (EC 3.4.21.7) have been determined between pH 3.0 and 9.5, and from 5.0 to 45.0°C. The inhibitor-binding properties to human Glu1-, Lys77-, Val442-and Val561-plasmin suggest a possible role of BPTI in modulating plasmin activity when the inhibitor is used therapeutically. © 1990.
引用
收藏
页码:134 / 136
页数:3
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