2ime - Revision history

OCA at 09:03, 21 February 2024

2024-02-21T09:03:33Z

←Older revision		Revision as of 09:03, 21 February 2024
Line 3:		Line 3:
	<StructureSection load='2ime' size='340' side='right'caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>		<StructureSection load='2ime' size='340' side='right'caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/~~"bacillus_fluorescens_putidus"_flugge_1886 "bacillus fluorescens putidus" flugge 1886~~]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IME FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IME FirstGlance]. <br>
-	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene~~></td></tr>~~	+	</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models\|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution\|Resolution]] 1.7Å</td></tr>
-	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</div></td></tr>	+	<tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>
-	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>	+
-	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>	+
	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [https://pdbe.org/2ime PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [https://www.ebi.ac.uk/pdbsum/2ime PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ime ProSAT]</span></td></tr>		<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [https://pdbe.org/2ime PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [https://www.ebi.ac.uk/pdbsum/2ime PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ime ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
-	[[https://www.uniprot.org/uniprot/NAHD_PSEPU NAHD_PSEPU]] Involved in the naphthalene catabolic pathway. Catalyzes the reversible glutathione-dependent isomerization of 2-hydroxychromene-2-carboxylate (HCCA) to trans-O-hydroxybenzylidenepyruvate (THBPA).<ref>PMID:8002605</ref> <ref>PMID:1447127</ref>	+	[https://www.uniprot.org/uniprot/NAHD_PSEPU NAHD_PSEPU] Involved in the naphthalene catabolic pathway. Catalyzes the reversible glutathione-dependent isomerization of 2-hydroxychromene-2-carboxylate (HCCA) to trans-O-hydroxybenzylidenepyruvate (THBPA).<ref>PMID:8002605</ref> <ref>PMID:1447127</ref>
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
Line 22:		Line 20:
	</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary\|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2ime ConSurf].		</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary\|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2ime ConSurf].
	<div style="clear:both"></div>		<div style="clear:both"></div>
-	<div style="background-color:#fffaf0;">
-	== Publication Abstract from PubMed ==
-	The enzyme 2-hydroxychromene-2-carboxylic acid (HCCA) isomerase catalyzes the glutathione (GSH)-dependent interconversion (Keq = 1.5) of HCCA and trans-o-hydroxybenzylidene pyruvic acid (tHBPA) in the naphthalene catabolic pathway of Pseudomonas putida. The dimeric protein binds one molecule of GSH very tightly (Kd approximately 5 nM) and a second molecule of GSH with much lower affinity (Kd approximately 2 to 11 microM). The enzyme is unstable in the absence of GSH. The turnover number in the forward direction (47 s(-1) at 25 degrees C) greatly exceeds off rates for GSH (koff approximately 10(-3) to 10(-2) s(-1) at 10 degrees C), suggesting that GSH acts as a tightly bound cofactor in the reaction. The crystal structure of the enzyme at 1.7 A resolution reveals that the isomerase is closely related to class kappa GSH transferases. Diffraction quality crystals could only be obtained in the presence of GSH and HCCA/tHBPA. Clear electron density is seen for GSH. Electron density for the organic substrates is located near the GSH and is best modeled to include both HCCA and tHBPA at occupancies of 0.5 for each. Although there is no electron density connecting the sulfur of GSH to the organic substrates, the sulfur is located very close (2.78 A) to C7 of HCCA. Taken together, the results suggest that the isomerization reaction involves a short-lived covalent adduct between the sulfur of GSH and C7 of the substrate.

-	2-~~Hydroxychromene-2-carboxylic acid isomerase: a kappa class glutathione~~ transferase ~~from Pseudomonas putida.,Thompson LC, Ladner JE, Codreanu SG, Harp J, Gilliland GL, Armstrong RN Biochemistry. 2007 Jun 12;46(23):6710-22. Epub 2007 May 18. PMID:17508726<ref>PMID:17508726</ref>~~	+	==See Also==
-		+	*[[Glutathione S-transferase 3D structures\|Glutathione S-transferase 3D structures]]
-	~~From MEDLINE®/PubMed®, a database of the U.~~S~~. National Library of Medicine.<br>~~	+
-	~~</div>~~	+
-	~~<div class="pdbe~~-~~citations 2ime" style="background-color:#fffaf0;"></div>~~	+
	== References ==		== References ==
	<references/>		<references/>
	__TOC__		__TOC__
	</StructureSection>		</StructureSection>
-	[[Category: Bacillus fluorescens putidus flugge 1886]]
-	[[Category: Glutathione transferase]]
	[[Category: Large Structures]]		[[Category: Large Structures]]
-	[[Category: ~~Armstrong, R N~~]]	+	[[Category: Pseudomonas putida]]
-	[[Category: ~~Codreanu, S G~~]]	+	[[Category: Armstrong RN]]
-	[[Category: ~~Gilliland, G L~~]]	+	[[Category: Codreanu SG]]
-	[[Category: ~~Harp, J~~]]	+	[[Category: Gilliland GL]]
-	[[Category: ~~Ladner,~~ J E]]	+	[[Category: Harp J]]
-	[[Category: ~~Thompson, L C~~]]	+	[[Category: Ladner JE]]
-	[[Category: ~~Glutathione]]~~	+	[[Category: Thompson LC]]
-	~~[[Category: Isomerase]]~~	+
-	~~[[Category: Kappa gst]]~~	+
-	~~[[Category: Kgst]]~~	+
-	~~[[Category: Transferase~~]]	+

OCA at 11:18, 31 March 2021

2021-03-31T11:18:47Z

←Older revision		Revision as of 11:18, 31 March 2021
Line 1:		Line 1:

	==2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida==		==2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida==
-	<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>	+	<StructureSection load='2ime' size='340' side='right'caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [~~http~~://en.wikipedia.org/wiki/"bacillus_fluorescens_putidus"_flugge_1886 "bacillus fluorescens putidus" flugge 1886]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [~~http~~://~~oca~~.~~weizmann.ac.il/oca-docs~~/fgij/fg.htm?mol=2IME FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/"bacillus_fluorescens_putidus"_flugge_1886 "bacillus fluorescens putidus" flugge 1886]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2IME FirstGlance]. <br>
-	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>	+	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>
-	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>	+	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</div></td></tr>
-	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([~~http~~://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>	+	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>
-	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[~~http~~://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [~~http~~://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>	+	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
-	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[~~http~~://~~oca~~.~~weizmann.ac.il/oca-docs~~/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [~~http~~://pdbe.org/2ime PDBe], [~~http~~://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [~~http~~://www.ebi.ac.uk/pdbsum/2ime PDBsum], [~~http~~://prosat.h-its.org/prosat/prosatexe?pdbcode=2ime ProSAT]</span></td></tr>	+	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [https://pdbe.org/2ime PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [https://www.ebi.ac.uk/pdbsum/2ime PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2ime ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
-	[[~~http~~://www.uniprot.org/uniprot/NAHD_PSEPU NAHD_PSEPU]] Involved in the naphthalene catabolic pathway. Catalyzes the reversible glutathione-dependent isomerization of 2-hydroxychromene-2-carboxylate (HCCA) to trans-O-hydroxybenzylidenepyruvate (THBPA).<ref>PMID:8002605</ref> <ref>PMID:1447127</ref>	+	[[https://www.uniprot.org/uniprot/NAHD_PSEPU NAHD_PSEPU]] Involved in the naphthalene catabolic pathway. Catalyzes the reversible glutathione-dependent isomerization of 2-hydroxychromene-2-carboxylate (HCCA) to trans-O-hydroxybenzylidenepyruvate (THBPA).<ref>PMID:8002605</ref> <ref>PMID:1447127</ref>
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
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	[[Category: Bacillus fluorescens putidus flugge 1886]]		[[Category: Bacillus fluorescens putidus flugge 1886]]
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
		+	[[Category: Large Structures]]
	[[Category: Armstrong, R N]]		[[Category: Armstrong, R N]]
	[[Category: Codreanu, S G]]		[[Category: Codreanu, S G]]

OCA at 08:06, 4 July 2018

2018-07-04T08:06:31Z

←Older revision		Revision as of 08:06, 4 July 2018
Line 1:		Line 1:
		+
	==2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida==		==2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida==
	<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>		<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>
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	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>		<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>
	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>		<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
-	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://pdbe.org/2ime PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>	+	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://pdbe.org/2ime PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=2ime ProSAT]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
Line 15:		Line 16:
	Check<jmol>		Check<jmol>
	<jmolCheckbox>		<jmolCheckbox>
-	<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/im/2ime_consurf.spt"</scriptWhenChecked>	+	<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/im/2ime_consurf.spt"</scriptWhenChecked>
	<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>		<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
	<text>to colour the structure by Evolutionary Conservation</text>		<text>to colour the structure by Evolutionary Conservation</text>

OCA at 06:08, 10 February 2016

2016-02-10T06:08:58Z

←Older revision		Revision as of 06:08, 10 February 2016
Line 19:		Line 19:
	<text>to colour the structure by Evolutionary Conservation</text>		<text>to colour the structure by Evolutionary Conservation</text>
	</jmolCheckbox>		</jmolCheckbox>
-	</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary\|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/~~chain_selection~~.php?pdb_ID=~~2ata~~ ConSurf].	+	</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary\|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=2ime ConSurf].
	<div style="clear:both"></div>		<div style="clear:both"></div>
	<div style="background-color:#fffaf0;">		<div style="background-color:#fffaf0;">

OCA at 06:07, 11 September 2015

2015-09-11T06:07:28Z

←Older revision		Revision as of 06:07, 11 September 2015
Line 2:		Line 2:
	<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>		<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>
	== Structural highlights ==		== Structural highlights ==
-	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/~~Pseudomonas_putida Pseudomonas putida~~]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IME FirstGlance]. <br>	+	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_fluorescens_putidus"_flugge_1886 "bacillus fluorescens putidus" flugge 1886]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IME FirstGlance]. <br>
	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>		</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>
	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>		<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>
-	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 ~~Pseudomonas putida~~])</td></tr>	+	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 "Bacillus fluorescens putidus" Flugge 1886])</td></tr>
	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>		<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
-	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>	+	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://pdbe.org/2ime PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>
	</table>		</table>
	== Function ==		== Function ==
Line 29:		Line 29:
	From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>		From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
	</div>		</div>
		+	<div class="pdbe-citations 2ime" style="background-color:#fffaf0;"></div>
	== References ==		== References ==
	<references/>		<references/>
	__TOC__		__TOC__
	</StructureSection>		</StructureSection>
		+	[[Category: Bacillus fluorescens putidus flugge 1886]]
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
-	[[Category: Pseudomonas putida]]
	[[Category: Armstrong, R N]]		[[Category: Armstrong, R N]]
	[[Category: Codreanu, S G]]		[[Category: Codreanu, S G]]

OCA at 12:21, 25 December 2014

2014-12-25T12:21:03Z

←Older revision		Revision as of 12:21, 25 December 2014
Line 3:		Line 3:
	== Structural highlights ==		== Structural highlights ==
	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IME FirstGlance]. <br>		<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IME FirstGlance]. <br>
-	</td></tr><tr><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene><br>	+	</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene></td></tr>
-	<tr><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>	+	<tr id='related'><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>
-	<tr><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 Pseudomonas putida])</td></tr>	+	<tr id='gene'><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 Pseudomonas putida])</td></tr>
-	<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>	+	<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
-	<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>	+	<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>
-	<table>	+	</table>
		+	== Function ==
		+	[[http://www.uniprot.org/uniprot/NAHD_PSEPU NAHD_PSEPU]] Involved in the naphthalene catabolic pathway. Catalyzes the reversible glutathione-dependent isomerization of 2-hydroxychromene-2-carboxylate (HCCA) to trans-O-hydroxybenzylidenepyruvate (THBPA).<ref>PMID:8002605</ref> <ref>PMID:1447127</ref>
	== Evolutionary Conservation ==		== Evolutionary Conservation ==
	[[Image:Consurf_key_small.gif\|200px\|right]]		[[Image:Consurf_key_small.gif\|200px\|right]]
Line 33:		Line 35:
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
	[[Category: Pseudomonas putida]]		[[Category: Pseudomonas putida]]
-	[[Category: Armstrong, R N.]]	+	[[Category: Armstrong, R N]]
-	[[Category: Codreanu, S G.]]	+	[[Category: Codreanu, S G]]
-	[[Category: Gilliland, G L.]]	+	[[Category: Gilliland, G L]]
-	[[Category: Harp, J.]]	+	[[Category: Harp, J]]
-	[[Category: Ladner, J E.]]	+	[[Category: Ladner, J E]]
-	[[Category: Thompson, L C.]]	+	[[Category: Thompson, L C]]
	[[Category: Glutathione]]		[[Category: Glutathione]]
	[[Category: Isomerase]]		[[Category: Isomerase]]

OCA at 09:23, 30 September 2014

2014-09-30T09:23:50Z

←Older revision		Revision as of 09:23, 30 September 2014
Line 1:		Line 1:
-	[[~~Image:~~2ime.~~png~~\|~~left~~\|200px]]	+	==2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida==
		+	<StructureSection load='2ime' size='340' side='right' caption='[[2ime]], [[Resolution\|resolution]] 1.70Å' scene=''>
		+	== Structural highlights ==
		+	<table><tr><td colspan='2'>[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2IME FirstGlance]. <br>
		+	</td></tr><tr><td class="sblockLbl"><b>[[Ligand\|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=2C2:(2S)-2-HYDROXY-2H-CHROMENE-2-CARBOXYLIC+ACID'>2C2</scene>, <scene name='pdbligand=CXS:3-CYCLOHEXYL-1-PROPYLSULFONIC+ACID'>CXS</scene>, <scene name='pdbligand=GSH:GLUTATHIONE'>GSH</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene>, <scene name='pdbligand=TOH:(3E)-4-(2-HYDROXYPHENYL)-2-OXOBUT-3-ENOIC+ACID'>TOH</scene><br>
		+	<tr><td class="sblockLbl"><b>[[Related_structure\|Related:]]</b></td><td class="sblockDat">[[1r4w\|1r4w]], [[2imd\|2imd]], [[2imf\|2imf]]</td></tr>
		+	<tr><td class="sblockLbl"><b>[[Gene\|Gene:]]</b></td><td class="sblockDat">nahD ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=303 Pseudomonas putida])</td></tr>
		+	<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glutathione_transferase Glutathione transferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.18 2.5.1.18] </span></td></tr>
		+	<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ime FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ime OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2ime RCSB], [http://www.ebi.ac.uk/pdbsum/2ime PDBsum]</span></td></tr>
		+	<table>
		+	== Evolutionary Conservation ==
		+	[[Image:Consurf_key_small.gif\|200px\|right]]
		+	Check<jmol>
		+	<jmolCheckbox>
		+	<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/im/2ime_consurf.spt"</scriptWhenChecked>
		+	<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
		+	<text>to colour the structure by Evolutionary Conservation</text>
		+	</jmolCheckbox>
		+	</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary\|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
		+	<div style="clear:both"></div>
		+	<div style="background-color:#fffaf0;">
		+	== Publication Abstract from PubMed ==
		+	The enzyme 2-hydroxychromene-2-carboxylic acid (HCCA) isomerase catalyzes the glutathione (GSH)-dependent interconversion (Keq = 1.5) of HCCA and trans-o-hydroxybenzylidene pyruvic acid (tHBPA) in the naphthalene catabolic pathway of Pseudomonas putida. The dimeric protein binds one molecule of GSH very tightly (Kd approximately 5 nM) and a second molecule of GSH with much lower affinity (Kd approximately 2 to 11 microM). The enzyme is unstable in the absence of GSH. The turnover number in the forward direction (47 s(-1) at 25 degrees C) greatly exceeds off rates for GSH (koff approximately 10(-3) to 10(-2) s(-1) at 10 degrees C), suggesting that GSH acts as a tightly bound cofactor in the reaction. The crystal structure of the enzyme at 1.7 A resolution reveals that the isomerase is closely related to class kappa GSH transferases. Diffraction quality crystals could only be obtained in the presence of GSH and HCCA/tHBPA. Clear electron density is seen for GSH. Electron density for the organic substrates is located near the GSH and is best modeled to include both HCCA and tHBPA at occupancies of 0.5 for each. Although there is no electron density connecting the sulfur of GSH to the organic substrates, the sulfur is located very close (2.78 A) to C7 of HCCA. Taken together, the results suggest that the isomerization reaction involves a short-lived covalent adduct between the sulfur of GSH and C7 of the substrate.

-	~~{{STRUCTURE_2ime\| PDB=2ime \| SCENE= }}~~	+	2-Hydroxychromene-2-carboxylic acid isomerase: a kappa class glutathione transferase from Pseudomonas putida.,Thompson LC, Ladner JE, Codreanu SG, Harp J, Gilliland GL, Armstrong RN Biochemistry. 2007 Jun 12;46(23):6710-22. Epub 2007 May 18. PMID:17508726<ref>PMID:17508726</ref>

-	~~===2-Hydroxychromene-2-carboxylate Isomerase:~~ a ~~Kappa Class Glutathione-~~S~~-Transferase from Pseudomonas putida===~~	+	From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br>
-		+	</div>
-	~~{{ABSTRACT_PUBMED_17508726}}~~	+	== References ==
-		+	<references/>
-	~~==About this Structure==~~	+	__TOC__
-	~~[[2ime]] is a 1 chain structure with sequence from [http://en~~.~~wikipedia~~.~~org~~/~~wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA].~~	+	</StructureSection>
-		+
-	==~~Reference~~==	+
-	<~~ref group="xtra">PMID:017508726<~~/~~ref~~><~~references group="xtra"~~/>	+
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
	[[Category: Pseudomonas putida]]		[[Category: Pseudomonas putida]]

OCA: Protected "2ime" [edit=sysop:move=sysop]

2013-01-07T11:39:41Z

Protected "2ime" [edit=sysop:move=sysop]

←Older revision

Revision as of 11:39, 7 January 2013

OCA at 11:39, 7 January 2013

2013-01-07T11:39:38Z

←Older revision		Revision as of 11:39, 7 January 2013
Line 1:		Line 1:
-	{{Seed}}
	[[Image:2ime.png\|left\|200px]]		[[Image:2ime.png\|left\|200px]]

-	<!--
-	The line below this paragraph, containing "STRUCTURE_2ime", creates the "Structure Box" on the page.
-	You may change the PDB parameter (which sets the PDB file loaded into the applet)
-	or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
-	or leave the SCENE parameter empty for the default display.
-	-->
	{{STRUCTURE_2ime\| PDB=2ime \| SCENE= }}		{{STRUCTURE_2ime\| PDB=2ime \| SCENE= }}

	===2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida===		===2-Hydroxychromene-2-carboxylate Isomerase: a Kappa Class Glutathione-S-Transferase from Pseudomonas putida===

-
-	<!--
-	The line below this paragraph, {{ABSTRACT_PUBMED_17508726}}, adds the Publication Abstract to the page
-	(as it appears on PubMed at http://www.pubmed.gov), where 17508726 is the PubMed ID number.
-	-->
	{{ABSTRACT_PUBMED_17508726}}		{{ABSTRACT_PUBMED_17508726}}

	==About this Structure==		==About this Structure==
-	~~2IME~~ is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA].	+	[[2ime]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA].

	==Reference==		==Reference==
-	<ref group="xtra">PMID:~~17508726~~</ref><references group="xtra"/>	+	<ref group="xtra">PMID:017508726</ref><references group="xtra"/>
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
	[[Category: Pseudomonas putida]]		[[Category: Pseudomonas putida]]
Line 36:		Line 24:
	[[Category: Kappa gst]]		[[Category: Kappa gst]]
	[[Category: Kgst]]		[[Category: Kgst]]
-		+	[[Category: Transferase]]
-	~~''Page seeded by~~ [~~http~~:~~//oca.weizmann.ac.il/oca OCA~~ ] ~~on Tue Feb 17 16:01:31 2009''~~	+

OCA at 14:01, 17 February 2009

2009-02-17T14:01:31Z

←Older revision		Revision as of 14:01, 17 February 2009
Line 20:		Line 20:

	==About this Structure==		==About this Structure==
-	2IME is a ~~[[Single protein]]~~ structure of sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA].	+	2IME is a 1 chain structure of sequence from [http://en.wikipedia.org/wiki/Pseudomonas_putida Pseudomonas putida]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2IME OCA].

	==Reference==		==Reference==
-	2-Hydroxychromene-2-carboxylic acid isomerase: a kappa class glutathione transferase from Pseudomonas putida., Thompson LC, Ladner JE, Codreanu SG, Harp J, Gilliland GL, Armstrong RN, Biochemistry. 2007 Jun 12;46(23):6710-22. Epub 2007 May 18. PMID:~~[http:~~//~~www.ncbi.nlm.nih.gov/pubmed/17508726 17508726]~~	+	<ref group="xtra">PMID:17508726</ref><references group="xtra"/>
	[[Category: Glutathione transferase]]		[[Category: Glutathione transferase]]
	[[Category: Pseudomonas putida]]		[[Category: Pseudomonas putida]]
-	[[Category: Single protein]]
	[[Category: Armstrong, R N.]]		[[Category: Armstrong, R N.]]
	[[Category: Codreanu, S G.]]		[[Category: Codreanu, S G.]]
Line 38:		Line 37:
	[[Category: Kgst]]		[[Category: Kgst]]

-	''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on ~~Mon Jul 28 21~~:56:~~00 2008~~''	+	''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 16:01:31 2009''