1rbn

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[[Image:1rbn.png|left|200px]]
 
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{{STRUCTURE_1rbn| PDB=1rbn | SCENE= }}
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==THE STRUCTURE OF RIBONUCLEASE A DERIVATIVE II AT 2.1 ANGSTROMS RESOLUTION==
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<StructureSection load='1rbn' size='340' side='right'caption='[[1rbn]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rbn]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RBN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RBN FirstGlance]. <br>
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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=P5P:PURINE+RIBOSIDE-5-MONOPHOSPHATE'>P5P</scene></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=1rbn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rbn OCA], [https://pdbe.org/1rbn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rbn RCSB], [https://www.ebi.ac.uk/pdbsum/1rbn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rbn ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RNAS1_BOVIN RNAS1_BOVIN] Endonuclease that catalyzes the cleavage of RNA on the 3' side of pyrimidine nucleotides. Acts on single stranded and double stranded RNA.<ref>PMID:7479688</ref>
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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/rb/1rbn_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=1rbn 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 crystal structure of bovine pancreatic ribonuclease A derivative II, a covalent derivative obtained by reaction of 6-chloropurine 9-beta-D-ribofuranosyl 5'-monophosphate with the alpha-amino group of Lys-1, has been determined and refined at 2.1-A resolution with an agreement factor R = 0.166 for 6254 reflections in the resolution shell 8.0 to 2.1 A. Crystals are orthorhombic and belong to space group C222(1) with unit cell parameters a = 75.73 A, b = 57.85 A, and c = 53.26 A. This crystal packing had never been reported before for pancreatic ribonuclease nor its complexes. The structure found is in accordance with the location of p2, B3, and R3 subsites at the N-terminal region of the protein and provides an explanation of the catalytic behavior observed for this derivative. In particular, differences in kinetic parameters and in the pKa value of His-119 between derivative II and native ribonuclease A can be interpreted on the basis of the position of the phosphate moiety within the derivative structure. Some uncertainty remains on the nucleotide sugar conformation determined.
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===THE STRUCTURE OF RIBONUCLEASE A DERIVATIVE II AT 2.1 ANGSTROMS RESOLUTION===
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Structure of ribonuclease A derivative II at 2.1-A resolution.,Boque L, Gracia Coll M, Vilanova M, Cuchillo CM, Fita I J Biol Chem. 1994 Aug 5;269(31):19707-12. PMID:8051049<ref>PMID:8051049</ref>
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{{ABSTRACT_PUBMED_8051049}}
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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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==About this Structure==
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<div class="pdbe-citations 1rbn" style="background-color:#fffaf0;"></div>
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[[1rbn]] is a 1 chain structure of [[Ribonuclease]] with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RBN OCA].
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==See Also==
==See Also==
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*[[Ribonuclease|Ribonuclease]]
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:008051049</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Pancreatic ribonuclease]]
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[[Category: Large Structures]]
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[[Category: Boque, L.]]
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[[Category: Boque L]]
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[[Category: Fita, I.]]
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[[Category: Fita I]]

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THE STRUCTURE OF RIBONUCLEASE A DERIVATIVE II AT 2.1 ANGSTROMS RESOLUTION

PDB ID 1rbn

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