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1iiu

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[[Image:1iiu.jpg|left|200px]]
 
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{{Structure
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==Chicken plasma retinol-binding protein (RBP)==
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|PDB= 1iiu |SIZE=350|CAPTION= <scene name='initialview01'>1iiu</scene>, resolution 2.50&Aring;
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<StructureSection load='1iiu' size='340' side='right'caption='[[1iiu]], [[Resolution|resolution]] 2.50&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=RTL:RETINOL'>RTL</scene>
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<table><tr><td colspan='2'>[[1iiu]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IIU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IIU FirstGlance]. <br>
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|ACTIVITY=
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CD:CADMIUM+ION'>CD</scene>, <scene name='pdbligand=RTL:RETINOL'>RTL</scene></td></tr>
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|GENE=
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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=1iiu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iiu OCA], [https://pdbe.org/1iiu PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iiu RCSB], [https://www.ebi.ac.uk/pdbsum/1iiu PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iiu ProSAT]</span></td></tr>
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|DOMAIN=
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</table>
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|RELATEDENTRY=[[1aqb|1AQB]], [[1hbp|1HBP]], [[1hbq|1HBQ]], [[1rbp|1RBP]]
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== Function ==
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1iiu FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iiu OCA], [http://www.ebi.ac.uk/pdbsum/1iiu PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1iiu RCSB]</span>
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[https://www.uniprot.org/uniprot/RET4_CHICK RET4_CHICK] Delivers retinol from the liver stores to the peripheral tissues. In plasma, the RBP-retinol complex interacts with transthyretin, this prevents its loss by filtration through the kidney glomeruli (By similarity).
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}}
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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/ii/1iiu_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=1iiu 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 crystal structure of the specific carrier of retinol (retinol-binding protein, RBP) purified from chicken plasma has been determined (space group P2(1)2(1)2(1), with a=46.06(5) A, b=53.56(6) A, c=73.41(8) A, and one protein molecule in the asymmetric unit). Despite being obtained from a species phylogenetically distant from mammals, chicken holoRBP has an overall structure that closely resembles the previously determined structures of mammalian holoRBPs. The lack in chicken RBP of eight carboxy-terminal amino acid residues characteristic of mammalian RBPs does not significantly affect the protein structure. A distinctive feature of the avian protein is a better definition of the loop 63-67, close to the opening of the beta-barrel cavity accommodating the retinol molecule, which is rather disordered in the structures of mammalian RBPs.
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'''Chicken plasma retinol-binding protein (RBP)'''
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Structure of chicken plasma retinol-binding protein.,Zanotti G, Calderone V, Beda M, Malpeli G, Folli C, Berni R Biochim Biophys Acta. 2001 Nov 26;1550(1):64-9. PMID:11738088<ref>PMID:11738088</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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<div class="pdbe-citations 1iiu" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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The crystal structure of the specific carrier of retinol (retinol-binding protein, RBP) purified from chicken plasma has been determined (space group P2(1)2(1)2(1), with a=46.06(5) A, b=53.56(6) A, c=73.41(8) A, and one protein molecule in the asymmetric unit). Despite being obtained from a species phylogenetically distant from mammals, chicken holoRBP has an overall structure that closely resembles the previously determined structures of mammalian holoRBPs. The lack in chicken RBP of eight carboxy-terminal amino acid residues characteristic of mammalian RBPs does not significantly affect the protein structure. A distinctive feature of the avian protein is a better definition of the loop 63-67, close to the opening of the beta-barrel cavity accommodating the retinol molecule, which is rather disordered in the structures of mammalian RBPs.
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*[[Retinol-binding protein 3D structures|Retinol-binding protein 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1IIU is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IIU OCA].
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__TOC__
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</StructureSection>
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==Reference==
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Structure of chicken plasma retinol-binding protein., Zanotti G, Calderone V, Beda M, Malpeli G, Folli C, Berni R, Biochim Biophys Acta. 2001 Nov 26;1550(1):64-9. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/11738088 11738088]
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[[Category: Gallus gallus]]
[[Category: Gallus gallus]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Berni, R.]]
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[[Category: Berni R]]
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[[Category: Calderone, V.]]
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[[Category: Calderone V]]
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[[Category: Zanotti, G.]]
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[[Category: Zanotti G]]
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[[Category: rbp]]
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[[Category: retinol]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:20:28 2008''
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Current revision

Chicken plasma retinol-binding protein (RBP)

PDB ID 1iiu

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