1ig3

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[[Image:1ig3.gif|left|200px]]
 
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{{Structure
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==Mouse Thiamin Pyrophosphokinase Complexed with Thiamin==
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|PDB= 1ig3 |SIZE=350|CAPTION= <scene name='initialview01'>1ig3</scene>, resolution 1.90&Aring;
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<StructureSection load='1ig3' size='340' side='right'caption='[[1ig3]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=VIB:3-(4-AMINO-2-METHYL-PYRIMIDIN-5-YLMETHYL)-5-(2-HYDROXY-ETHYL)-4-METHYL-THIAZOL-3-IUM'>VIB</scene>
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<table><tr><td colspan='2'>[[1ig3]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IG3 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IG3 FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Thiamine_diphosphokinase Thiamine diphosphokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.6.2 2.7.6.2] </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]] 1.9&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=VIB:3-(4-AMINO-2-METHYL-PYRIMIDIN-5-YLMETHYL)-5-(2-HYDROXY-ETHYL)-4-METHYL-THIAZOL-3-IUM'>VIB</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=1ig3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ig3 OCA], [https://pdbe.org/1ig3 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1ig3 RCSB], [https://www.ebi.ac.uk/pdbsum/1ig3 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1ig3 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=1ig3 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1ig3 OCA], [http://www.ebi.ac.uk/pdbsum/1ig3 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1ig3 RCSB]</span>
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== Function ==
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}}
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[https://www.uniprot.org/uniprot/TPK1_MOUSE TPK1_MOUSE] Catalyzes the phosphorylation of thiamine to thiamine pyrophosphate. Can also catalyze the phosphorylation of pyrithiamine to pyrithiamine pyrophosphate.<ref>PMID:10567383</ref> <ref>PMID:16365036</ref>
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== Evolutionary Conservation ==
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'''Mouse Thiamin Pyrophosphokinase Complexed with Thiamin'''
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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/ig/1ig3_consurf.spt"</scriptWhenChecked>
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Thiamin pyrophosphate (TPP) is a coenzyme derived from vitamin B1 (thiamin). TPP synthesis in eukaryotes requires thiamin pyrophosphokinase (TPK), which catalyzes the transfer of a pyrophosphate group from ATP to thiamin. TPP is essential for central metabolic processes, including the formation of acetyl CoA from glucose and the Krebs cycle. Deficiencies in human thiamin metabolism result in beriberi and Wernicke encephalopathy. The crystal structure of mouse TPK was determined by multiwavelength anomalous diffraction at 2.4 A resolution, and the structure of TPK complexed with thiamin has been refined at 1.9 A resolution. The TPK polypeptide folds as an alpha/beta-domain and a beta-sandwich domain, which share a central ten-stranded mixed beta-sheet. TPK subunits associate as a dimer, and thiamin is bound in the dimer interface. Despite lacking apparent sequence homology with other proteins, the alpha/beta-domain resembles the Rossman fold and is similar to other kinase structures, including another pyrophosphokinase and a thiamin biosynthetic enzyme. Comparison of mouse and yeast TPK structures reveals differences that could be exploited in developing species-specific inhibitors of potential use as antimicrobial agents.
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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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1IG3 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IG3 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=1ig3 ConSurf].
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<div style="clear:both"></div>
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==Reference==
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== References ==
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Crystal structure of thiamin pyrophosphokinase., Timm DE, Liu J, Baker LJ, Harris RA, J Mol Biol. 2001 Jun 29;310(1):195-204. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11419946 11419946]
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Single protein]]
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[[Category: Baker L-J]]
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[[Category: Thiamine diphosphokinase]]
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[[Category: Harris RA]]
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[[Category: Baker, L J.]]
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[[Category: Liu J]]
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[[Category: Harris, R A.]]
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[[Category: Timm DE]]
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[[Category: Liu, J.]]
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[[Category: Timm, D E.]]
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[[Category: alpha/beta/alpha sandwich]]
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[[Category: beta barrel]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:19:17 2008''
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Current revision

Mouse Thiamin Pyrophosphokinase Complexed with Thiamin

PDB ID 1ig3

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