1qsd

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[[Image:1qsd.gif|left|200px]]
 
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==RBL2P, BETA-TUBULIN BINDING POST-CHAPERONIN COFACTOR==
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The line below this paragraph, containing "STRUCTURE_1qsd", creates the "Structure Box" on the page.
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<StructureSection load='1qsd' size='340' side='right'caption='[[1qsd]], [[Resolution|resolution]] 2.20&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'>[[1qsd]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QSD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1QSD 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]] 2.2&#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=1qsd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1qsd OCA], [https://pdbe.org/1qsd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1qsd RCSB], [https://www.ebi.ac.uk/pdbsum/1qsd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1qsd ProSAT]</span></td></tr>
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{{STRUCTURE_1qsd| PDB=1qsd | SCENE= }}
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</table>
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== Function ==
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'''RBL2P, BETA-TUBULIN BINDING POST-CHAPERONIN COFACTOR'''
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[https://www.uniprot.org/uniprot/TBCA_YEAST TBCA_YEAST] Tubulin-folding protein; involved in the early step of the tubulin folding pathway.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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==Overview==
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Check<jmol>
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The folding pathway of tubulins includes highly specific interactions with a series of cofactors (A, B, C, D and E) after they are released from the eukaryotic chaperonin CCT. The 2.2 A crystal structure of Rbl2p, the Saccharomyces cerevisiae homolog of beta-tubulin specific cofactor A, shows alpha-helical monomers forming a flat, slightly convex dimer. The surface of the molecule is dominated by polar and charged residues and lacks hydrophobic patches typically observed for chaperones that bind unfolded or partially folded proteins. This post-chaperonin cofactor is therefore clearly distinct from typical chaperones where hydrophobicity is a hallmark of substrate recognition.
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/qs/1qsd_consurf.spt"</scriptWhenChecked>
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==About this Structure==
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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1QSD is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Saccharomyces_cerevisiae Saccharomyces cerevisiae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1QSD OCA].
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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==Reference==
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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=1qsd ConSurf].
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Crystal structure of the post-chaperonin beta-tubulin binding cofactor Rbl2p., Steinbacher S, Nat Struct Biol. 1999 Nov;6(11):1029-32. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/10542094 10542094]
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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: Saccharomyces cerevisiae]]
[[Category: Saccharomyces cerevisiae]]
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[[Category: Single protein]]
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[[Category: Steinbacher S]]
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[[Category: Steinbacher, S.]]
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[[Category: Chaperone]]
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[[Category: Four-helix-bundle]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 06:39:03 2008''
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Current revision

RBL2P, BETA-TUBULIN BINDING POST-CHAPERONIN COFACTOR

PDB ID 1qsd

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