1gsp

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Image:1gsp.gif

Template:STRUCTURE 1gsp

RIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS, 1 DAY


Overview

Here we present a time-resolved crystallographic analysis of the hydrolysis of exo (Sp) guanosine 2',3'-cyclophosphorothioate by RNase T1. The use of a slow substrate and fast crystallization methods made it possible to perform the study with conventional data-collection techniques. The results support the idea that the hydrolysis reaction proceeds through a mechanism that is the inverse of the transesterification reaction. In addition, the structures provide an explanation for the differential behavior of RNase T1 towards exo- and endo-cyclic thiophosphates.

About this Structure

1GSP is a Single protein structure of sequence from Aspergillus oryzae. Full crystallographic information is available from OCA.

Reference

Hydrolysis of a slow cyclic thiophosphate substrate of RNase T1 analyzed by time-resolved crystallography., Zegers I, Loris R, Dehollander G, Fattah Haikal A, Poortmans F, Steyaert J, Wyns L, Nat Struct Biol. 1998 Apr;5(4):280-3. PMID:9546218 Page seeded by OCA on Fri May 2 17:57:43 2008

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