摘要
Fromthepress-residueofthefreshroottuberofTrichosantheskirilowiiMaxim(Cu-curbitaceae),anewribosome-inactivatingprotein(RIP),trichobitacin,wasisolated.IthastheactivityofRNAN-glycosidaseandcaninhibitthegrowthofhumanplacentaltrophoblasticcells.Itsmolecularweightis27,228Da(ES-MS)andpI9.6.ItisasinglechainbasicRIP.Itsaminoacidcompositionwasdetermined.ItisanewRIP.Itconsistsof0.7~0.9%galactoseandmaybeaglycoprotein.ItsA’-andC-terminalaminoacidisAspandAla,respectively.ItsN-terminalpreliminaryaminoacidsequencehasbeendetermined.
出版日期
1997年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)