6gsp

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[[Image:6gsp.gif|left|200px]]<br /><applet load="6gsp" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:6gsp.gif|left|200px]]
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caption="6gsp, resolution 2.20&Aring;" />
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'''RIBONUCLEASE T1/3'-GMP, 15 WEEKS'''<br />
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{{Structure
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|PDB= 6gsp |SIZE=350|CAPTION= <scene name='initialview01'>6gsp</scene>, resolution 2.20&Aring;
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|SITE= <scene name='pdbsite=BI1:Site'>BI1</scene>, <scene name='pdbsite=CAL:Site'>CAL</scene> and <scene name='pdbsite=CAT:Active+Site'>CAT</scene>
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|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene> and <scene name='pdbligand=3GP:GUANOSINE-3'-MONOPHOSPHATE'>3GP</scene>
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|ACTIVITY= [http://en.wikipedia.org/wiki/Ribonuclease_T(1) Ribonuclease T(1)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.3 3.1.27.3]
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|GENE=
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}}
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'''RIBONUCLEASE T1/3'-GMP, 15 WEEKS'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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6GSP is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae] with <scene name='pdbligand=CA:'>CA</scene> and <scene name='pdbligand=3GP:'>3GP</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Ribonuclease_T(1) Ribonuclease T(1)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.3 3.1.27.3] Known structural/functional Sites: <scene name='pdbsite=BI1:Site'>BI1</scene>, <scene name='pdbsite=CAL:Site'>CAL</scene> and <scene name='pdbsite=CAT:Active+Site'>CAT</scene>. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6GSP OCA].
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6GSP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6GSP OCA].
==Reference==
==Reference==
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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:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9546218 9546218]
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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:[http://www.ncbi.nlm.nih.gov/pubmed/9546218 9546218]
[[Category: Aspergillus oryzae]]
[[Category: Aspergillus oryzae]]
[[Category: Ribonuclease T(1)]]
[[Category: Ribonuclease T(1)]]
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[[Category: ribonuclease]]
[[Category: ribonuclease]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 19:16:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 19:13:30 2008''

Revision as of 17:13, 20 March 2008


PDB ID 6gsp

Drag the structure with the mouse to rotate
, resolution 2.20Å
Sites: , and
Ligands: and
Activity: Ribonuclease T(1), with EC number 3.1.27.3
Coordinates: save as pdb, mmCIF, xml



RIBONUCLEASE T1/3'-GMP, 15 WEEKS


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

6GSP 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

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