2a2g

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[[Image:2a2g.gif|left|200px]]
 
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{{Structure
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==THE CRYSTAL STRUCTURES OF A2U-GLOBULIN AND ITS COMPLEX WITH A HYALINE DROPLET INDUCER.==
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|PDB= 2a2g |SIZE=350|CAPTION= <scene name='initialview01'>2a2g</scene>, resolution 2.90&Aring;
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<StructureSection load='2a2g' size='340' side='right'caption='[[2a2g]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=LEO:D-LIMONENE 1,2-EPOXIDE'>LEO</scene>
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<table><tr><td colspan='2'>[[2a2g]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Rattus_norvegicus Rattus norvegicus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A2G OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2A2G FirstGlance]. <br>
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|ACTIVITY=
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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]] 2.9&#8491;</td></tr>
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|GENE=
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=LEO:D-LIMONENE+1,2-EPOXIDE'>LEO</scene></td></tr>
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}}
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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=2a2g FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2a2g OCA], [https://pdbe.org/2a2g PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2a2g RCSB], [https://www.ebi.ac.uk/pdbsum/2a2g PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2a2g ProSAT]</span></td></tr>
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</table>
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'''THE CRYSTAL STRUCTURES OF A2U-GLOBULIN AND ITS COMPLEX WITH A HYALINE DROPLET INDUCER.'''
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== Function ==
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[https://www.uniprot.org/uniprot/MUP_RAT MUP_RAT] Major urinary proteins (Mups) bind and release pheromones. They may also protect pheromones from oxidation. In this context, they play a role in the regulation of social behaviors, such as aggression, mating, pup-suckling, territory establishment and dominance. Acts as a kairomone, detected by the prey vomeronasal organ and inducing fear reactions in mice.
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== Evolutionary Conservation ==
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==Overview==
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[[Image:Consurf_key_small.gif|200px|right]]
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Alpha 2u-globulin (A2U) is the major urinary protein excreted by adult male rats. The structure of a monoclinic crystal form of A2U was reported in 1992 [Bocskei et al. (1992). Nature (London), 360, 186-188]. The structures of an orthorhombic crystal form of A2U at 2. 5 A resolution (refined to an R factor of 0.248; Rfree = 0.264) and of a complex between A2U and d-limonene 1,2-epoxide (DLO) at 2.9 A resolution (R factor = 0.248; Rfree = 0.260) are presented here. DLO is one of a diverse group of chemicals which cause a male rat-specific renal carcinogenesis called hyaline-droplet nephropathy. The rate-determining step in the development of this disorder is the binding of the toxin to A2U. Comparison of the cavities in A2U and in the corresponding mouse urinary protein (MUP) reveal that the former is tailor-made for small oval hydrophobic ligands such as DLO. The cavity in MUP is more shallow and elongated and cannot easily accommodate such ligands.
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Check<jmol>
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<jmolCheckbox>
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==About this Structure==
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/a2/2a2g_consurf.spt"</scriptWhenChecked>
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2A2G is a [[Single protein]] structure of 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=2A2G OCA].
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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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==Reference==
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</jmolCheckbox>
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The structures of alpha 2u-globulin and its complex with a hyaline droplet inducer., Chaudhuri BN, Kleywegt GJ, Bjorkman J, Lehman-McKeeman LD, Oliver JD, Jones TA, Acta Crystallogr D Biol Crystallogr. 1999 Apr;55(Pt 4):753-62. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10089305 10089305]
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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=2a2g ConSurf].
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<div style="clear:both"></div>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
[[Category: Rattus norvegicus]]
[[Category: Rattus norvegicus]]
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[[Category: Single protein]]
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[[Category: Chaudhuri BN]]
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[[Category: Chaudhuri, B N.]]
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[[Category: Jones TA]]
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[[Category: Jones, T A.]]
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[[Category: Kleywegt GJ]]
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[[Category: Kleywegt, G J.]]
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[[Category: LEO]]
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[[Category: lipid-binding protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 15:44:32 2008''
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Current revision

THE CRYSTAL STRUCTURES OF A2U-GLOBULIN AND ITS COMPLEX WITH A HYALINE DROPLET INDUCER.

PDB ID 2a2g

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