4gsp: Difference between revisions

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[[Image:4gsp.jpg|left|200px]]
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{{STRUCTURE_4gsp|  PDB=4gsp  |  SCENE=  }}  
{{STRUCTURE_4gsp|  PDB=4gsp  |  SCENE=  }}  


'''RIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS + 3'-GMP, 7 DAYS'''
===RIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS + 3'-GMP, 7 DAYS===




==Overview==
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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.
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{{ABSTRACT_PUBMED_9546218}}


==About this Structure==
==About this Structure==
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[[Category: Endoribonuclease]]
[[Category: Endoribonuclease]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 22:24:48 2008''
 
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Jul 3 13:39:35 2008''

Revision as of 13:39, 3 July 2008

File:4gsp.png

Template:STRUCTURE 4gsp

RIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS + 3'-GMP, 7 DAYSRIBONUCLEASE T1 COMPLEXED WITH 2',3'-CGPS + 3'-GMP, 7 DAYS

Template:ABSTRACT PUBMED 9546218

About this StructureAbout this Structure

4GSP is a Single protein structure of sequence from Aspergillus oryzae. Full crystallographic information is available from OCA.

ReferenceReference

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

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