Modeling and structural analysis of evolutionarily diverse S8 family serine proteases

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Modeling and structural analysis of evolutionarily diverse S8 family serine proteases

Serine proteases are an abundant class of enzymes that are involved in a wide range of physiological processes and are classified into clans sharing structural homology. The active site of the subtilisin-like clan contains a catalytic triad in the order Asp, His, Ser (S8 family) or a catalytic tetrad in the order Glu, Asp and Ser (S53 family). The core structure and active site geometry of thes...

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Proteases that are encoded by animal picornaviruses and plant como- and potyviruses form a related group of cysteine-active-center enzymes that are essential for virus maturation. We show that these proteins are homologous to the family of trypsin-like serine proteases. In our model, the active-site nucleophile of the trypsin catalytic triad, Ser-195, is changed to a Cys residue in these viral ...

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ژورنال

عنوان ژورنال: Bioinformation

سال: 2011

ISSN: 0973-8894,0973-2063

DOI: 10.6026/97320630007239