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1rgf

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(New page: 200px<br /><applet load="1rgf" size="450" color="white" frame="true" align="right" spinBox="true" caption="1rgf, resolution 1.20&Aring;" /> '''HYDROLASE, GUANYLORI...)
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[[Image:1rgf.gif|left|200px]]<br /><applet load="1rgf" size="450" color="white" frame="true" align="right" spinBox="true"
 
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caption="1rgf, resolution 1.20&Aring;" />
 
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'''HYDROLASE, GUANYLORIBONUCLEASE'''<br />
 
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==Overview==
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==HYDROLASE, GUANYLORIBONUCLEASE==
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Crystals of ribonuclease from Streptomyces aureofaciens diffract to atomic, resolution at room temperature. Using synchrotron radiation and an, imaging-plate scanner, X-ray data have been recorded to 1.20 A resolution, from a crystal of native enzyme and to 1.15 A from a crystal of a complex, with guanosine-2'-monophosphate. Refinement with anisotropic atomic, temperature factors resulted in increased accuracy of the structure. The R, factors for the two structures are 10.6 and 10.9%. The estimated r.m.s., error in the coordinates is 0.05 A, less than half that obtained in the, previous analysis at 1.7 A resolution. For the well ordered part of the, main chain the error falls to below 0.02 A as estimated from inversion of, the least-squares matrix. The two independent molecules in the asymmetric, unit allowed detailed analysis of peptide planarity and some torsion, angles. The high accuracy of the analysis revealed density for a partially, occupied anion in the nucleotide binding site of molecule A in the native, structure which was not seen at lower resolution. The anisotropic model, allowed correction of the identity of the residue at position 72 from, cysteine to threonine. Cys72 SG had been modelled in previous analyses, with two conformations. The solvent structure was modelled by means of an, automated procedure employing a set of objective criteria. The solvent, structure for models refined using different programs with isotropic and, anisotropic description of thermal motion is compared.
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<StructureSection load='1rgf' size='340' side='right'caption='[[1rgf]], [[Resolution|resolution]] 1.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1rgf]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Kitasatospora_aureofaciens Kitasatospora aureofaciens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1RGF OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RGF 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]] 1.2&#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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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1rgf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rgf OCA], [https://pdbe.org/1rgf PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rgf RCSB], [https://www.ebi.ac.uk/pdbsum/1rgf PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rgf ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RNSA_KITAU RNSA_KITAU]
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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/rg/1rgf_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=1rgf ConSurf].
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<div style="clear:both"></div>
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==About this Structure==
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==See Also==
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1RGF is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Streptomyces_aureofaciens Streptomyces aureofaciens] with SO4 as [http://en.wikipedia.org/wiki/ligand ligand]. Active as [http://en.wikipedia.org/wiki/Ribonuclease_T(1) Ribonuclease T(1)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.3 3.1.27.3] Full crystallographic information is available from [http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1RGF OCA].
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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__TOC__
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==Reference==
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</StructureSection>
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Ribonuclease from Streptomyces aureofaciens at atomic resolution., Sevcik J, Dauter Z, Lamzin VS, Wilson KS, Acta Crystallogr D Biol Crystallogr. 1996 Mar 1;52(Pt 2):327-44. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=15299705 15299705]
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[[Category: Kitasatospora aureofaciens]]
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[[Category: Ribonuclease T(1)]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Dauter Z]]
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[[Category: Streptomyces aureofaciens]]
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[[Category: Lamzin VS]]
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[[Category: Dauter, Z.]]
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[[Category: Sevcik J]]
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[[Category: Lamzin, V.S.]]
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[[Category: Wilson KS]]
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[[Category: Sevcik, J.]]
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[[Category: Wilson, K.S.]]
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[[Category: SO4]]
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[[Category: hydrolase (guanyloribonuclease)]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Wed Nov 21 01:34:35 2007''
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Current revision

HYDROLASE, GUANYLORIBONUCLEASE

PDB ID 1rgf

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