1iyy

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{{Seed}}
 
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[[Image:1iyy.png|left|200px]]
 
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==NMR STRUCTURE OF Gln25-RIBONUCLEASE T1, 24 STRUCTURES==
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The line below this paragraph, containing "STRUCTURE_1iyy", creates the "Structure Box" on the page.
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<StructureSection load='1iyy' size='340' side='right'caption='[[1iyy]]' 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'>[[1iyy]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IYY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1IYY 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">Solution NMR</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=1iyy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1iyy OCA], [https://pdbe.org/1iyy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1iyy RCSB], [https://www.ebi.ac.uk/pdbsum/1iyy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1iyy ProSAT]</span></td></tr>
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{{STRUCTURE_1iyy| PDB=1iyy | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RNT1_ASPOR RNT1_ASPOR]
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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/iy/1iyy_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=1iyy 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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Ribonuclease (RNase) T1 is a guanyloribonuclease, having two isozymes in nature, Gln25- and Lys25-RNase T1. Between these two isozymes, there is no difference in catalytic activity and three-dimensional structure; however, Lys25-RNase T1 is slightly more stable than Gln25-RNase T1. Recently, it has been suggested that the existence of a salt bridge between Lys25 and Asp29/Glu31 in Lys25-RNase T1 contributes to the stability. To elucidate the effects of the replacement of Lys25 with a Gln on the conformation and microenvironments of RNase T1 in detail, the three-dimensional solution structure of Gln25-RNase T1 was determined by simulated-annealing calculations. As a result, the topology of the overall folding was shown to be very similar to that of the Lys25-isozyme except for some differences. In particular, there were two differences in the property of torsion angles of the two disulfide bonds and the conformations of the residues 11-13, 63-66, and 92-93. With regard to the residues 11-13, the lack of the above-mentioned salt bridge in Gln25-RNase T1 was thought to induce the conformational difference of this segment as compared with the Lys25-isozyme. Furthermore, it was proposed that the perturbation of this segment might transfer to the residues 92-93 via the two disulfide bonds.
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===NMR STRUCTURE OF Gln25-RIBONUCLEASE T1, 24 STRUCTURES===
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Determination of the NMR structure of Gln25-ribonuclease T1.,Hatano K, Kojima M, Suzuki E, Tanokura M, Takahashi K Biol Chem. 2003 Aug;384(8):1173-83. PMID:12974386<ref>PMID:12974386</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 1iyy" style="background-color:#fffaf0;"></div>
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==See Also==
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The line below this paragraph, {{ABSTRACT_PUBMED_12974386}}, adds the Publication Abstract to the page
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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(as it appears on PubMed at http://www.pubmed.gov), where 12974386 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_12974386}}
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__TOC__
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</StructureSection>
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==About this Structure==
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1IYY is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1IYY OCA].
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==Reference==
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Determination of the NMR structure of Gln25-ribonuclease T1., Hatano K, Kojima M, Suzuki E, Tanokura M, Takahashi K, Biol Chem. 2003 Aug;384(8):1173-83. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/12974386 12974386]
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[[Category: Aspergillus oryzae]]
[[Category: Aspergillus oryzae]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Hatano, K.]]
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[[Category: Hatano K]]
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[[Category: Kojima, M.]]
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[[Category: Kojima M]]
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[[Category: Suzuki, E.]]
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[[Category: Suzuki E]]
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[[Category: Takahashi, K.]]
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[[Category: Takahashi K]]
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[[Category: Tanokura, M.]]
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[[Category: Tanokura M]]
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[[Category: Endonuclease]]
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[[Category: Endoribonuclease]]
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[[Category: Ribonuclease]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 14:14:43 2008''
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Current revision

NMR STRUCTURE OF Gln25-RIBONUCLEASE T1, 24 STRUCTURES

PDB ID 1iyy

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