Identification and Characterization of CPP32/Mch2 Homolog 1, a Novel Cysteine Protease Similar to CPP32 (*)

Identification and Characterization of CPP32/Mch2 Homolog 1, a Novel Cysteine Protease Similar to CPP32 (*)
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CPP32/Mch2 同源物 1(一种与 CPP32 相似的新型半胱氨酸蛋白酶)的鉴定和表征 (*)

DOI:
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发表时间:
1996
影响因子:
4.8
通讯作者:
M. Su
M. Su
中科院分区:
生物学2区
文献类型:
--
作者:
J. Lippke;Yong Gu;C. Sarnecki;P. Caron;M. Su

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我们发现并鉴定了一种名为CMH-1的新型半胱氨酸蛋白酶,它是具有Asp-X底物特异性的白介素1β转化酶(ICE)蛋白酶家族的新成员。CMH-1与CPP32(52%氨基酸相同)和MCH2(31%相同)的相似性最高。CMH-1共享构成ICE核心结构的保守氨基酸残基,以及参与催化和P1天冬氨酸结合的残基。CMH-1在COS细胞中过表达导致CMH-1加工,诱导转染细胞凋亡。CMH-1与聚(adp -核糖)聚合酶(PARP)的共表达也导致PARP的特异性裂解。纯化的重组CMH-1在体外可切割PARP,但不能切割白细胞介素1β前体。
We have identified and characterized a novel cysteine protease named CMH-1 that is a new member of the interleukin 1β converting enzyme (ICE) family of proteases with substrate specificity for Asp-X. CMH-1 has the highest similarity to CPP32 (52% amino acid identity) and MCH2 (31% identical). CMH-1 shares conserved amino acid residues that form the core structure of ICE as well as those residues involved in catalysis and in the P1 aspartate binding. Overexpression of CMH-1 in COS cells resulted in the processing of CMH-1 and the induction of apoptosis of transfected cells. Coexpression of CMH-1 with poly(ADP-ribose) polymerase (PARP) also resulted in a specific cleavage of PARP. Purified recombinant CMH-1 cleaved PARP but not interleukin 1β precursor in vitro.
DOI: 10.1016/s0021-9258(18)47344-9
发表时间: 1994-12
期刊: The Journal of biological chemistry
影响因子: --
作者:
T. Fernandes‐Alnemri;G. Litwack;E. Alnemri
通讯作者: T. Fernandes‐Alnemri;G. Litwack;E. Alnemri
DOI: 10.1101/gad.8.14.1613
发表时间: 1994-07-15
影响因子: 10.5
作者:
KUMAR, S;KINOSHITA, M;JENKINS, NA
通讯作者: JENKINS, NA
Mch2,凋亡Ced-3/Ice半胱氨酸蛋白酶基因家族的新成员。
DOI: --
发表时间: 1995
期刊: Cancer research.
影响因子: --
作者:
Fernandes-Alnemri,T;Litwack,G;Alnemri,ES
通讯作者: Alnemri,ES