1srn

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[[Image:1srn.gif|left|200px]]
 
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{{Structure
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==THE REFINED CRYSTAL STRUCTURE OF A FULLY ACTIVE SEMISYNTHETIC RIBONUCLEASE AT 1.8 ANGSTROMS RESOLUTION==
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|PDB= 1srn |SIZE=350|CAPTION= <scene name='initialview01'>1srn</scene>, resolution 1.8&Aring;
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<StructureSection load='1srn' size='340' side='right'caption='[[1srn]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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|SITE=
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== Structural highlights ==
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|LIGAND= <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>
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<table><tr><td colspan='2'>[[1srn]] is a 2 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=1SRN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SRN FirstGlance]. <br>
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Pancreatic_ribonuclease Pancreatic ribonuclease], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.5 3.1.27.5] </span>
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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]] 1.8&#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=SO4:SULFATE+ION'>SO4</scene></td></tr>
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|DOMAIN=
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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=1srn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1srn OCA], [https://pdbe.org/1srn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1srn RCSB], [https://www.ebi.ac.uk/pdbsum/1srn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1srn ProSAT]</span></td></tr>
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|RELATEDENTRY=
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</table>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1srn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1srn OCA], [http://www.ebi.ac.uk/pdbsum/1srn PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1srn RCSB]</span>
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== Function ==
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}}
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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/sr/1srn_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=1srn 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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A fully active, semisynthetic analog of bovine ribonuclease A, comprised of residues 1-118 of the molecule in a noncovalent complex with the synthetic peptide analog of residues 111-124, has been crystallized in space group P3(2)21 from a solution of 1.3 M ammonium sulfate and 3.0 M cesium chloride at pH 5.2. The crystallographic structure was determined by rotation and translation searches utilizing the coordinates for ribonuclease A reported by Wlodawer and Sjolin (Wlodawer, A., and Sjolin, L. (1983) Biochemistry 22, 2720-2728) and has been refined at 1.8-A resolution to an agreement factor of 0.204. Most of the structure of the semisynthetic enzyme closely resembles that found in ribonuclease A with the synthetic peptide replacing the C-terminal elements of the naturally occurring enzyme. No redundant structure is seen; residues 114-118 of the larger chain and residues 111-113 of the peptide do not appear in our map. The positions of those residues at or near the active site are very similar to, if not identical with, those previously reported by others, except for histidine 119, which occupies predominantly the B position seen as a minor site by Borkakoti et al. (Borkakoti, N., Moss, D. S., and Palmer, R. A. (1982) Acta Crystallogr. Sect. B Struct. Crystallogr. Cryst. Chem. 38,2210-2217) and not at all by Wlodawer and Sjolin (1983).
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'''THE REFINED CRYSTAL STRUCTURE OF A FULLY ACTIVE SEMISYNTHETIC RIBONUCLEASE AT 1.8 ANGSTROMS RESOLUTION'''
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The refined crystal structure of a fully active semisynthetic ribonuclease at 1.8-A resolution.,Martin PD, Doscher MS, Edwards BF J Biol Chem. 1987 Nov 25;262(33):15930-8. PMID:3680234<ref>PMID:3680234</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 1srn" style="background-color:#fffaf0;"></div>
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==Overview==
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==See Also==
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A fully active, semisynthetic analog of bovine ribonuclease A, comprised of residues 1-118 of the molecule in a noncovalent complex with the synthetic peptide analog of residues 111-124, has been crystallized in space group P3(2)21 from a solution of 1.3 M ammonium sulfate and 3.0 M cesium chloride at pH 5.2. The crystallographic structure was determined by rotation and translation searches utilizing the coordinates for ribonuclease A reported by Wlodawer and Sjolin (Wlodawer, A., and Sjolin, L. (1983) Biochemistry 22, 2720-2728) and has been refined at 1.8-A resolution to an agreement factor of 0.204. Most of the structure of the semisynthetic enzyme closely resembles that found in ribonuclease A with the synthetic peptide replacing the C-terminal elements of the naturally occurring enzyme. No redundant structure is seen; residues 114-118 of the larger chain and residues 111-113 of the peptide do not appear in our map. The positions of those residues at or near the active site are very similar to, if not identical with, those previously reported by others, except for histidine 119, which occupies predominantly the B position seen as a minor site by Borkakoti et al. (Borkakoti, N., Moss, D. S., and Palmer, R. A. (1982) Acta Crystallogr. Sect. B Struct. Crystallogr. Cryst. Chem. 38,2210-2217) and not at all by Wlodawer and Sjolin (1983).
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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1SRN is a [[Protein complex]] structure of sequences 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=1SRN OCA].
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__TOC__
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</StructureSection>
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==Reference==
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The refined crystal structure of a fully active semisynthetic ribonuclease at 1.8-A resolution., Martin PD, Doscher MS, Edwards BF, J Biol Chem. 1987 Nov 25;262(33):15930-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/3680234 3680234]
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[[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: Protein complex]]
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[[Category: Doscher MS]]
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[[Category: Doscher, M S.]]
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[[Category: Edwards BFP]]
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[[Category: Edwards, B F.P.]]
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[[Category: Martin PD]]
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[[Category: Martin, P D.]]
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[[Category: hydrolase (nucleic acid,rna)]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:46:04 2008''
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Current revision

THE REFINED CRYSTAL STRUCTURE OF A FULLY ACTIVE SEMISYNTHETIC RIBONUCLEASE AT 1.8 ANGSTROMS RESOLUTION

PDB ID 1srn

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