2c1o

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{{Seed}}
 
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[[Image:2c1o.png|left|200px]]
 
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==ENAIIHis Fab fragment in the free form==
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The line below this paragraph, containing "STRUCTURE_2c1o", creates the "Structure Box" on the page.
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<StructureSection load='2c1o' size='340' side='right'caption='[[2c1o]], [[Resolution|resolution]] 2.75&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[2c1o]] is a 4 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=2C1O OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2C1O FirstGlance]. <br>
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or leave the SCENE parameter empty for the default display.
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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]] 2.75&#8491;</td></tr>
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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=2c1o FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2c1o OCA], [https://pdbe.org/2c1o PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2c1o RCSB], [https://www.ebi.ac.uk/pdbsum/2c1o PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2c1o ProSAT]</span></td></tr>
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{{STRUCTURE_2c1o| PDB=2c1o | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/Q58EU8_MOUSE Q58EU8_MOUSE]
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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/c1/2c1o_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/main_output.php?pdb_ID=2c1o 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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Enantioselective antibodies can separate the enantiomers of a chiral compound in a highly specific manner. We have recently reported the cloning and applications of a recombinant Fab-fragment, ENA11His, in the enantioseparation of a drug candidate, finrozole, which contains two chiral centers. Here, the crystal structures of this enantioselective antibody Fab-fragment are determined in the absence of the hapten at a resolution of 2.75 A, and in the presence of the hapten at 2.05 A resolution. The conformation of the protein was found to be similar in both free and complex forms. The hapten molecule was tightly bound in a deep cleft between the light and heavy chains of the Fab-fragment. The complex structure also allowed us to describe the molecular basis for enantioselectivity and to deduce the absolute configurations of all the four different stereoisomers (a-d) of finrozole. The ENA11His antibody fragment selectively binds the SR (a) enantiomer from the racemic mixture of a and d-enantiomers, thus allowing separation from the pharmacologically most active RS enantiomer (d). In particular, Asp95 and Asn35 of the H-chain in the ENA11 His antibody seem to provide this specificity through hydrogen bonding.
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===ENAIIHIS FAB FRAGMENT IN THE FREE FORM===
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Crystal structures of an enantioselective fab-fragment in free and complex forms.,Parkkinen T, Nevanen TK, Koivula A, Rouvinen J J Mol Biol. 2006 Mar 24;357(2):471-80. Epub 2006 Jan 3. PMID:16427081<ref>PMID:16427081</ref>
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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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The line below this paragraph, {{ABSTRACT_PUBMED_16427081}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 2c1o" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 16427081 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_16427081}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[Category: Large Structures]]
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2C1O 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=2C1O OCA].
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==Reference==
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Crystal structures of an enantioselective fab-fragment in free and complex forms., Parkkinen T, Nevanen TK, Koivula A, Rouvinen J, J Mol Biol. 2006 Mar 24;357(2):471-80. Epub 2006 Jan 3. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16427081 16427081]
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[[Category: Mus musculus]]
[[Category: Mus musculus]]
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[[Category: Single protein]]
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[[Category: Koivula A]]
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[[Category: Koivula, A.]]
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[[Category: Nevanen TK]]
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[[Category: Nevanen, T K.]]
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[[Category: Parkkinen T]]
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[[Category: Parkkinen, T.]]
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[[Category: Rouvinen J]]
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[[Category: Rouvinen, J.]]
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[[Category: Antibody]]
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[[Category: Ena11his antibody]]
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[[Category: Enantioselective]]
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[[Category: Fab fragment]]
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[[Category: Finrozole]]
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[[Category: Immune system]]
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[[Category: Immunoglobulin domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:00:58 2008''
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Current revision

ENAIIHis Fab fragment in the free form

PDB ID 2c1o

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