Serine proteases.

Serine proteases.
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DOI:
10.1002/iub.186
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发表时间:
2009-05
期刊:
影响因子:
4.6
通讯作者:
Di Cera, Enrico
Di Cera, Enrico
中科院分区:
生物学3区
文献类型:
--
作者:
Di Cera, Enrico

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所有已知的蛋白水解酶中超过三分之一是丝氨酸蛋白酶。其中,胰蛋白酶经历了最主要的遗传扩增,产生负责消化、凝血、纤溶、发育、受精、凋亡和免疫的酶。这种扩展的成功在于一个高效的折叠,耦合催化和监管的相互作用。增加的复杂性来自于最近观察到的胰蛋白酶折叠的显著构象可塑性。出现了一种新的范例,其中两种形式的蛋白酶E* 和E处于变构平衡并决定生物活性和特异性。
Over one third of all known proteolytic enzymes are serine proteases. Among these, the trypsins underwent the most predominant genetic expansion yielding the enzymes responsible for digestion, blood coagulation, fibrinolysis, development, fertilization, apoptosis, and immunity. The success of this expansion resides in a highly efficient fold that couples catalysis and regulatory interactions. Added complexity comes from the recent observation of a significant conformational plasticity of the trypsin fold. A new paradigm emerges where two forms of the protease, E* and E, are in allosteric equilibrium and determine biological activity and specificity.
DOI: 10.1074/jbc.c000751200
发表时间: 2000-12-22
影响因子: 4.8
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