1crb

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[[Image:1crb.gif|left|200px]]
 
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==CRYSTALLOGRAPHIC STUDIES ON A FAMILY OF CELLULAR LIPOPHILIC TRANSPORT PROTEINS. REFINEMENT OF P2 MYELIN PROTEIN AND THE STRUCTURE DETERMINATION AND REFINEMENT OF CELLULAR RETINOL-BINDING PROTEIN IN COMPLEX WITH ALL-TRANS-RETINOL==
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The line below this paragraph, containing "STRUCTURE_1crb", creates the "Structure Box" on the page.
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<StructureSection load='1crb' size='340' side='right'caption='[[1crb]], [[Resolution|resolution]] 2.10&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'>[[1crb]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_rattus Rattus rattus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CRB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1CRB 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]] 2.1&#8491;</td></tr>
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<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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{{STRUCTURE_1crb| PDB=1crb | SCENE= }}
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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=1crb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1crb OCA], [https://pdbe.org/1crb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1crb RCSB], [https://www.ebi.ac.uk/pdbsum/1crb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1crb ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RET1_RAT RET1_RAT] Intracellular transport of retinol.
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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/cr/1crb_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=1crb ConSurf].
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<div style="clear:both"></div>
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'''CRYSTALLOGRAPHIC STUDIES ON A FAMILY OF CELLULAR LIPOPHILIC TRANSPORT PROTEINS. REFINEMENT OF P2 MYELIN PROTEIN AND THE STRUCTURE DETERMINATION AND REFINEMENT OF CELLULAR RETINOL-BINDING PROTEIN IN COMPLEX WITH ALL-TRANS-RETINOL'''
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==See Also==
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*[[Retinol-binding protein 3D structures|Retinol-binding protein 3D structures]]
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__TOC__
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==Overview==
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</StructureSection>
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P2 myelin protein (P2) and cellular retinol binding protein (CRBP) are members of a family of cellular lipophilic transport proteins. P2 has been refined at a resolution of 2.7 A, and CRBP has been solved by molecular replacement and refined to a resolution of 2.1 A. The members of this family form a compact three-dimensional structure built up from ten antiparallel strands that fold to form an orthogonal barrel containing the ligand. In P2, the carboxylate group of an oleic acid ligand interacts with the side-chains of two arginine (106 and 126), and one tyrosine (128) residues. The ligand adopts a U-shaped conformation. In CRBP, the all-trans-retinol has a planar conformation with its alcohol group hydrogen bonding to the side-chain of glutamine 108 (equivalent to residue 106 in P2). The local interactions of glutamine 108 explain CRBP's preference for binding retinol rather than retinal. The side-chain of lysine 40 makes a close contact with the isoprene tail of the retinol.
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[[Category: Large Structures]]
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==About this Structure==
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1CRB is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Rattus_rattus Rattus rattus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1CRB OCA].
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==Reference==
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Crystallographic studies on a family of cellular lipophilic transport proteins. Refinement of P2 myelin protein and the structure determination and refinement of cellular retinol-binding protein in complex with all-trans-retinol., Cowan SW, Newcomer ME, Jones TA, J Mol Biol. 1993 Apr 20;230(4):1225-46. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/7683727 7683727]
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[[Category: Rattus rattus]]
[[Category: Rattus rattus]]
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[[Category: Single protein]]
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[[Category: Cowan SW]]
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[[Category: Cowan, S W.]]
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[[Category: Jones TA]]
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[[Category: Jones, T A.]]
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[[Category: Cellular lipophilic transport protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:02:17 2008''
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Current revision

CRYSTALLOGRAPHIC STUDIES ON A FAMILY OF CELLULAR LIPOPHILIC TRANSPORT PROTEINS. REFINEMENT OF P2 MYELIN PROTEIN AND THE STRUCTURE DETERMINATION AND REFINEMENT OF CELLULAR RETINOL-BINDING PROTEIN IN COMPLEX WITH ALL-TRANS-RETINOL

PDB ID 1crb

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