1mel

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[[Image:1mel.png|left|200px]]
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==CRYSTAL STRUCTURE OF A CAMEL SINGLE-DOMAIN VH ANTIBODY FRAGMENT IN COMPLEX WITH LYSOZYME==
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<StructureSection load='1mel' size='340' side='right' caption='[[1mel]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1mel]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Camelus_dromedarius Camelus dromedarius] and [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. The April 2011 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Nanobodies'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2011_4 10.2210/rcsb_pdb/mom_2011_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MEL OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1MEL FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ANTIBODY VH FRAGMENT CAB-LYS3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9838 Camelus dromedarius]), ANTIBODY VH FRAGMENT CAB-LYS3 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9031 Gallus gallus])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </span></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=1mel FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mel OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1mel RCSB], [http://www.ebi.ac.uk/pdbsum/1mel 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/me/1mel_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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The Camelidae is the only taxonomic family known to possess functional heavy-chain antibodies, lacking light chains. We report here the 2.5 A resolution crystal structure of a camel VH in complex with its antigen, lysozyme. Compared to human and mouse VH domains, there are no major backbone rearrangements in the VH framework. However, the architecture of the region of VH that interacts with a VL in a conventional FV is different from any previously seen. Moreover, the CDR1 region, although in sequence homologous to human CDR1, deviates fundamentally from the canonical structure. Additionally, one half of the CDR3 contacts the VH region which in conventional immunoglobulins interacts with a VL whereas the other half protrudes from the antigen binding site and penetrates deeply into the active site of lysozyme.
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{{STRUCTURE_1mel| PDB=1mel | SCENE= }}
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Crystal structure of a camel single-domain VH antibody fragment in complex with lysozyme.,Desmyter A, Transue TR, Ghahroudi MA, Thi MH, Poortmans F, Hamers R, Muyldermans S, Wyns L Nat Struct Biol. 1996 Sep;3(9):803-11. PMID:8784355<ref>PMID:8784355</ref>
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===CRYSTAL STRUCTURE OF A CAMEL SINGLE-DOMAIN VH ANTIBODY FRAGMENT IN COMPLEX WITH LYSOZYME===
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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_8784355}}
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==About this Structure==
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[[1mel]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Camelus_dromedarius Camelus dromedarius] and [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. The April 2011 RCSB PDB [http://pdb.rcsb.org/pdb/static.do?p=education_discussion/molecule_of_the_month/index.html Molecule of the Month] feature on ''Nanobodies'' by David Goodsell is [http://dx.doi.org/10.2210/rcsb_pdb/mom_2011_4 10.2210/rcsb_pdb/mom_2011_4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MEL OCA].
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==See Also==
==See Also==
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*[[Hen Egg-White (HEW) Lysozyme|Hen Egg-White (HEW) Lysozyme]]
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*[[Antibody|Antibody]]
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*[[Lysozyme 3D structures|Lysozyme 3D structures]]
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==Reference==
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== References ==
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<ref group="xtra">PMID:008784355</ref><references group="xtra"/>
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<references/>
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__TOC__
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</StructureSection>
[[Category: Camelus dromedarius]]
[[Category: Camelus dromedarius]]
[[Category: Gallus gallus]]
[[Category: Gallus gallus]]

Revision as of 15:07, 28 September 2014

CRYSTAL STRUCTURE OF A CAMEL SINGLE-DOMAIN VH ANTIBODY FRAGMENT IN COMPLEX WITH LYSOZYME

1mel, resolution 2.50Å

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