1rm0

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[[Image:1rm0.gif|left|200px]]
 
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{{Structure
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==Crystal Structure of Myo-Inositol 1-Phosphate Synthase From Saccharomyces cerevisiae In Complex With NAD+ and 2-deoxy-D-glucitol 6-(E)-vinylhomophosphonate==
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|PDB= 1rm0 |SIZE=350|CAPTION= <scene name='initialview01'>1rm0</scene>, resolution 2.05&Aring;
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<StructureSection load='1rm0' size='340' side='right'caption='[[1rm0]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=D6P:(3,4,5,7-TETRAHYDROXY-HEPT-1-ENYL)-PHOSPHONIC+ACID'>D6P</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAI:1,4-DIHYDRONICOTINAMIDE+ADENINE+DINUCLEOTIDE'>NAI</scene>
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<table><tr><td colspan='2'>[[1rm0]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RM0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RM0 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Inositol-3-phosphate_synthase Inositol-3-phosphate synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=5.5.1.4 5.5.1.4] </span>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.05&#8491;</td></tr>
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|GENE= INO1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 Saccharomyces cerevisiae])
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=D6P:(3,4,5,7-TETRAHYDROXY-HEPT-1-ENYL)-PHOSPHONIC+ACID'>D6P</scene>, <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=NAI:1,4-DIHYDRONICOTINAMIDE+ADENINE+DINUCLEOTIDE'>NAI</scene></td></tr>
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|DOMAIN=
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1rm0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rm0 OCA], [https://pdbe.org/1rm0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rm0 RCSB], [https://www.ebi.ac.uk/pdbsum/1rm0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rm0 ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1rm0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rm0 OCA], [http://www.ebi.ac.uk/pdbsum/1rm0 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1rm0 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/INO1_YEAST INO1_YEAST]
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== Evolutionary Conservation ==
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'''Crystal Structure of Myo-Inositol 1-Phosphate Synthase From Saccharomyces cerevisiae In Complex With NAD+ and 2-deoxy-D-glucitol 6-(E)-vinylhomophosphonate'''
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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==Overview==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/rm/1rm0_consurf.spt"</scriptWhenChecked>
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1l-myo-inositol 1-phosphate (MIP) synthase catalyzes the conversion of d-glucose 6-phosphate to 1l-myo-inositol 1-phosphate, the first and rate-limiting step in the biosynthesis of all inositol-containing compounds. It involves an oxidation, enolization, intramolecular aldol cyclization, and reduction. Here we present the structure of MIP synthase in complex with NAD(+) and a high-affinity inhibitor, 2-deoxy-d-glucitol 6-(E)-vinylhomophosphonate. This structure reveals interactions between the enzyme active site residues and the inhibitor that are significantly different from that proposed for 2-deoxy-d-glucitol 6-phosphate in the previously published structure of MIP synthase-NAD(+)-2-deoxy-d-glucitol 6-phosphate. There are several other conformational changes in NAD(+) and the enzyme active site as well. Based on the new structural data, we propose a new and completely different mechanism for MIP synthase.
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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==About this Structure==
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</jmolCheckbox>
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1RM0 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=1RM0 OCA].
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</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=1rm0 ConSurf].
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<div style="clear:both"></div>
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==Reference==
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__TOC__
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The structure of the 1L-myo-inositol-1-phosphate synthase-NAD+-2-deoxy-D-glucitol 6-(E)-vinylhomophosphonate complex demands a revision of the enzyme mechanism., Jin X, Foley KM, Geiger JH, J Biol Chem. 2004 Apr 2;279(14):13889-95. Epub 2003 Dec 18. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/14684747 14684747]
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</StructureSection>
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[[Category: Inositol-3-phosphate synthase]]
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[[Category: Large Structures]]
[[Category: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Foley KM]]
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[[Category: Foley, K M.]]
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[[Category: Geiger JH]]
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[[Category: Geiger, J H.]]
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[[Category: Jin X]]
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[[Category: Jin, X.]]
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[[Category: myo-inositol 1-phosphate synthase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:30:01 2008''
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Current revision

Crystal Structure of Myo-Inositol 1-Phosphate Synthase From Saccharomyces cerevisiae In Complex With NAD+ and 2-deoxy-D-glucitol 6-(E)-vinylhomophosphonate

PDB ID 1rm0

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OCA

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