1m0w: Difference between revisions

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[[Image:1m0w.gif|left|200px]]<br /><applet load="1m0w" size="350" color="white" frame="true" align="right" spinBox="true"
[[Image:1m0w.gif|left|200px]]
caption="1m0w, resolution 1.80&Aring;" />
 
'''Yeast Glutathione Synthase Bound to gamma-glutamyl-cysteine, AMP-PNP and 2 Magnesium Ions'''<br />
{{Structure
|PDB= 1m0w |SIZE=350|CAPTION= <scene name='initialview01'>1m0w</scene>, resolution 1.80&Aring;
|SITE=
|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ANP:PHOSPHOAMINOPHOSPHONIC+ACID-ADENYLATE+ESTER'>ANP</scene> and <scene name='pdbligand=3GC:GAMMA-GLUTAMYLCYSTEINE'>3GC</scene>
|ACTIVITY= [http://en.wikipedia.org/wiki/Glutathione_synthase Glutathione synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.3 6.3.2.3]
|GENE= GSH2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])
}}
 
'''Yeast Glutathione Synthase Bound to gamma-glutamyl-cysteine, AMP-PNP and 2 Magnesium Ions'''
 


==Overview==
==Overview==
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==About this Structure==
==About this Structure==
1M0W is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae] with <scene name='pdbligand=MG:'>MG</scene>, <scene name='pdbligand=SO4:'>SO4</scene>, <scene name='pdbligand=ANP:'>ANP</scene> and <scene name='pdbligand=3GC:'>3GC</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Glutathione_synthase Glutathione synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=6.3.2.3 6.3.2.3] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M0W OCA].  
1M0W is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1M0W OCA].  


==Reference==
==Reference==
Large conformational changes in the catalytic cycle of glutathione synthase., Gogos A, Shapiro L, Structure. 2002 Dec;10(12):1669-76. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=12467574 12467574]
Large conformational changes in the catalytic cycle of glutathione synthase., Gogos A, Shapiro L, Structure. 2002 Dec;10(12):1669-76. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12467574 12467574]
[[Category: Glutathione synthase]]
[[Category: Glutathione synthase]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: protein structure initiative]]
[[Category: protein structure initiative]]
[[Category: psi]]
[[Category: psi]]
[[Category: structural genomics]]
[[Category: structural genomic]]


''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 13:50:17 2008''
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 12:37:29 2008''

Revision as of 10:37, 20 March 2008

File:1m0w.gif


Drag the structure with the mouse to rotate
1m0w, resolution 1.80Å
Ligands: MG, SO4, ANP and 3GC
Gene: GSH2 (Saccharomyces cerevisiae)
Activity: Glutathione synthase, with EC number 6.3.2.3
Coordinates: save as pdb, mmCIF, xml



Yeast Glutathione Synthase Bound to gamma-glutamyl-cysteine, AMP-PNP and 2 Magnesium Ions


Overview

Glutathione synthase catalyzes the final ATP-dependent step in glutathione biosynthesis, the formation of glutathione from gamma-glutamylcysteine and glycine. We have determined structures of yeast glutathione synthase in two forms: unbound (2.3 A resolution) and bound to its substrate gamma-glutamylcysteine, the ATP analog AMP-PNP, and two magnesium ions (1.8 A resolution). These structures reveal that upon substrate binding, large domain motions convert the enzyme from an open unliganded form to a closed conformation in which protein domains completely surround the substrate in the active site.

About this Structure

1M0W is a Single protein structure of sequence from Saccharomyces cerevisiae. Full crystallographic information is available from OCA.

Reference

Large conformational changes in the catalytic cycle of glutathione synthase., Gogos A, Shapiro L, Structure. 2002 Dec;10(12):1669-76. PMID:12467574

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