PURIFICATION AND CHARACTERIZATION OF PISUM SEED TRYPSIN-INHIBITORS

被引:46
作者
DOMONEY, C [1 ]
WELHAM, T [1 ]
SIDEBOTTOM, C [1 ]
机构
[1] UNILEVER RES LABS, SHARNBROOK MK44 1LQ, BEDS, ENGLAND
关键词
PISUM-TRYPSIN INHIBITOR; TRYPSIN-LIKE PROTEASE;
D O I
10.1093/jxb/44.4.701
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Seed trypsin inhibitors have been purified from Pisum. Three groups of inhibitor were separated using column chromatography, whereas non-denaturing activity gels showed that five inhibitors could be distinguished. N-terminal sequence data obtained for two purified inhibitors showed that these belong to the Bowman-Birk class of inhibitors. Partial purification and characterization of a protease with in vitro trypsin-like activity from Pisum seed protein preparations indicated that this endogenous protease is not inhibited by any of the fractionated inhibitors.
引用
收藏
页码:701 / 709
页数:9
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