1n4q

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[[Image:1n4q.png|left|200px]]
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==Protein Geranylgeranyltransferase type-I Complexed with a GGPP Analog and a KKKSKTKCVIL Peptide==
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<StructureSection load='1n4q' size='340' side='right' caption='[[1n4q]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1n4q]] is a 18 chain structure with sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1N4Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1N4Q FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GER:GERAN-8-YL+GERAN'>GER</scene>, <scene name='pdbligand=MGM:2-[METHYL-(5-GERANYL-4-METHYL-PENT-3-ENYL)-AMINO]-ETHYL-DIPHOSPHATE'>MGM</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1d8d|1d8d]], [[1fpp|1fpp]], [[1ft1|1ft1]], [[1kzo|1kzo]], [[1kzp|1kzp]], [[1qbq|1qbq]], [[1dce|1dce]], [[1n4p|1n4p]], [[1n4r|1n4r]], [[1n4s|1n4s]]</td></tr>
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<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=1n4q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1n4q OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1n4q RCSB], [http://www.ebi.ac.uk/pdbsum/1n4q PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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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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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/n4/1n4q_consurf.spt"</scriptWhenChecked>
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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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</jmolCheckbox>
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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/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Protein geranylgeranyltransferase type-I (GGTase-I), one of two CaaX prenyltransferases, is an essential enzyme in eukaryotes. GGTase-I catalyzes C-terminal lipidation of &gt;100 proteins, including many GTP- binding regulatory proteins. We present the first structural information for mammalian GGTase-I, including a series of substrate and product complexes that delineate the path of the chemical reaction. These structures reveal that all protein prenyltransferases share a common reaction mechanism and identify specific residues that play a dominant role in determining prenyl group specificity. This hypothesis was confirmed by converting farnesyltransferase (15-C prenyl substrate) into GGTase-I (20-C prenyl substrate) with a single point mutation. GGTase-I discriminates against farnesyl diphosphate (FPP) at the product turnover step through the inability of a 15-C FPP to displace the 20-C prenyl-peptide product. Understanding these key features of specificity is expected to contribute to optimization of anti-cancer and anti-parasite drugs.
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{{STRUCTURE_1n4q| PDB=1n4q | SCENE= }}
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Structure of mammalian protein geranylgeranyltransferase type-I.,Taylor JS, Reid TS, Terry KL, Casey PJ, Beese LS EMBO J. 2003 Nov 17;22(22):5963-74. PMID:14609943<ref>PMID:14609943</ref>
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===Protein Geranylgeranyltransferase type-I Complexed with a GGPP Analog and a KKKSKTKCVIL Peptide===
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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{{ABSTRACT_PUBMED_14609943}}
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==See Also==
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*[[Geranylgeranyl transferase|Geranylgeranyl transferase]]
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==About this Structure==
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== References ==
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[[1n4q]] is a 18 chain structure with sequence from [http://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1N4Q OCA].
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<references/>
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__TOC__
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==Reference==
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</StructureSection>
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<ref group="xtra">PMID:014609943</ref><references group="xtra"/>
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[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
[[Category: Beese, L S.]]
[[Category: Beese, L S.]]

Revision as of 14:34, 28 September 2014

Protein Geranylgeranyltransferase type-I Complexed with a GGPP Analog and a KKKSKTKCVIL Peptide

1n4q, resolution 2.40Å

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OCA

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