LUFFIN-S - A SMALL NOVEL RIBOSOME-INACTIVATING PROTEIN FROM LUFFA-CYLINDRICA - CHARACTERIZATION AND MECHANISM STUDIES

被引:43
作者
GAO, WD [1 ]
LING, J [1 ]
ZHONG, XM [1 ]
LIU, WY [1 ]
ZHANG, RP [1 ]
YANG, HL [1 ]
CAO, HT [1 ]
ZHANG, ZC [1 ]
机构
[1] ACAD SINICA,SHANGHAI INST BIOCHEM,SHANGHAI 200031,PEOPLES R CHINA
关键词
RIBOSOME INACTIVATING PROTEIN; LUFFIN; RNA N-GLYCOSIDASE; PHOSPHODIESTERASE; IMMUNOTOXIN;
D O I
10.1016/0014-5793(94)00554-0
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
We purified and characterized a novel RIP (ribosome inactivating protein), Luffin-S from the seeds of Luffa cylindrica. Different from Luffin-A and B, which are RNA N-glycosidases with molecular weights of 27 and 28 kDa, respectively, Luffin-S has an M.W. of only approx. 10 kDa, much smaller than any other RIPs so far investigated. Its abundant resources, toxicity similar to TCS in a cell-free protein synthesis system and unique mechanism as phosphodiesterase, like alpha-sarcin, promisingly make it a potential toxic moiety of immunotoxin.
引用
收藏
页码:257 / 260
页数:4
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