1rn1

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[[Image:1rn1.jpg|left|200px]]
 
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==THREE-DIMENSIONAL STRUCTURE OF GLN 25-RIBONUCLEASE T1 AT 1.84 ANGSTROMS RESOLUTION: STRUCTURAL VARIATIONS AT THE BASE RECOGNITION AND CATALYTIC SITES==
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The line below this paragraph, containing "STRUCTURE_1rn1", creates the "Structure Box" on the page.
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<StructureSection load='1rn1' size='340' side='right'caption='[[1rn1]], [[Resolution|resolution]] 1.84&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'>[[1rn1]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RN1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RN1 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]] 1.84&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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{{STRUCTURE_1rn1| PDB=1rn1 | 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=1rn1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rn1 OCA], [https://pdbe.org/1rn1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rn1 RCSB], [https://www.ebi.ac.uk/pdbsum/1rn1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rn1 ProSAT]</span></td></tr>
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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/rn/1rn1_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.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=1rn1 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 structure of the Gln25 variant of ribonuclease T1 (RNase T1) crystallized at pH 7 and at high ionic strength has been solved by molecular replacement using the coordinates of the Lys25-RNase T1/2'-guanylic acid (2'GMP) complex at pH 5 [Arni et al. (1988) J. Biol. Chem. 263, 15358-15368] and refined by energy minimization and stereochemically restrained least-squares minimization to a crystallographic R-factor of 14.4% at 1.84-A resolution. The asymmetric unit contains three molecules, and the final model consists of 2302 protein atoms, 3 sulfates (at the catalytic sites), and 179 solvent water molecules. The estimated root mean square (rms) error in the coordinates is 0.15 A, and the rms deviation from ideality is 0.018 A for bond lengths and 1.8 degrees for bond angles. Significant differences are observed between the three molecules in the asymmetric unit at the base recognition and catalytic sites.
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'''THREE-DIMENSIONAL STRUCTURE OF GLN 25-RIBONUCLEASE T1 AT 1.84 ANGSTROMS RESOLUTION: STRUCTURAL VARIATIONS AT THE BASE RECOGNITION AND CATALYTIC SITES'''
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Three-dimensional structure of Gln25-ribonuclease T1 at 1.84-A resolution: structural variations at the base recognition and catalytic sites.,Arni RK, Pal GP, Ravichandran KG, Tulinsky A, Walz FG Jr, Metcalf P Biochemistry. 1992 Mar 31;31(12):3126-35. PMID:1554699<ref>PMID:1554699</ref>
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==Overview==
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The structure of the Gln25 variant of ribonuclease T1 (RNase T1) crystallized at pH 7 and at high ionic strength has been solved by molecular replacement using the coordinates of the Lys25-RNase T1/2'-guanylic acid (2'GMP) complex at pH 5 [Arni et al. (1988) J. Biol. Chem. 263, 15358-15368] and refined by energy minimization and stereochemically restrained least-squares minimization to a crystallographic R-factor of 14.4% at 1.84-A resolution. The asymmetric unit contains three molecules, and the final model consists of 2302 protein atoms, 3 sulfates (at the catalytic sites), and 179 solvent water molecules. The estimated root mean square (rms) error in the coordinates is 0.15 A, and the rms deviation from ideality is 0.018 A for bond lengths and 1.8 degrees for bond angles. Significant differences are observed between the three molecules in the asymmetric unit at the base recognition and catalytic sites.
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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1RN1 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Aspergillus_oryzae Aspergillus oryzae]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RN1 OCA].
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</div>
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<div class="pdbe-citations 1rn1" style="background-color:#fffaf0;"></div>
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==Reference==
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==See Also==
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Three-dimensional structure of Gln25-ribonuclease T1 at 1.84-A resolution: structural variations at the base recognition and catalytic sites., Arni RK, Pal GP, Ravichandran KG, Tulinsky A, Walz FG Jr, Metcalf P, Biochemistry. 1992 Mar 31;31(12):3126-35. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1554699 1554699]
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[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: Arni, R K.]]
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[[Category: Arni RK]]
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[[Category: Junior, F G.Walz.]]
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[[Category: Metcalf P]]
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[[Category: Metcalf, P.]]
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[[Category: Pal GP]]
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[[Category: Pal, G P.]]
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[[Category: Ravichandran KG]]
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[[Category: Ravichandran, K G.]]
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[[Category: Tulinsky A]]
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[[Category: Tulinsky, A.]]
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[[Category: Walz Junior FG]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 07:41:25 2008''
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Current revision

THREE-DIMENSIONAL STRUCTURE OF GLN 25-RIBONUCLEASE T1 AT 1.84 ANGSTROMS RESOLUTION: STRUCTURAL VARIATIONS AT THE BASE RECOGNITION AND CATALYTIC SITES

PDB ID 1rn1

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