1a6f

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[[Image:1a6f.gif|left|200px]]<br /><applet load="1a6f" size="350" color="white" frame="true" align="right" spinBox="true"
 
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caption="1a6f, resolution 2.6&Aring;" />
 
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'''RNASE P PROTEIN FROM BACILLUS SUBTILIS'''<br />
 
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==Overview==
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==RNASE P PROTEIN FROM BACILLUS SUBTILIS==
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The crystal structure of Bacillus subtilis ribonuclease P protein is reported at 2.6 angstroms resolution. This protein binds to ribonuclease P RNA to form a ribonucleoprotein holoenzyme with optimal catalytic activity. Mutagenesis and biochemical data indicate that an unusual left-handed betaalphabeta crossover connection and a large central cleft in the protein form conserved RNA binding sites; a metal binding loop may comprise a third RNA binding site. The unusual topology is partly shared with ribosomal protein S5 and the ribosomal translocase elongation factor G, which suggests evolution from a common RNA binding ancestor in the primordial translational apparatus.
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<StructureSection load='1a6f' size='340' side='right'caption='[[1a6f]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1a6f]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A6F OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1A6F 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]] 2.6&#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>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=1a6f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1a6f OCA], [https://pdbe.org/1a6f PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1a6f RCSB], [https://www.ebi.ac.uk/pdbsum/1a6f PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1a6f ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RNPA_BACSU RNPA_BACSU] RNaseP catalyzes the removal of the 5'-leader sequence from pre-tRNA to produce the mature 5'-terminus. It can also cleave other RNA substrates such as 4.5S RNA. The protein component plays an auxiliary but essential role in vivo by binding to the 5'-leader sequence and broadening the substrate specificity of the ribozyme.
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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/a6/1a6f_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=1a6f 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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1A6F is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Bacillus_subtilis Bacillus subtilis] with <scene name='pdbligand=ZN:'>ZN</scene> and <scene name='pdbligand=SO4:'>SO4</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Active as [http://en.wikipedia.org/wiki/Ribonuclease_P Ribonuclease P], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.26.5 3.1.26.5] Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1A6F 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 P protein structure: evolutionary origins in the translational apparatus., Stams T, Niranjanakumari S, Fierke CA, Christianson DW, Science. 1998 May 1;280(5364):752-5. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=9563955 9563955]
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[[Category: Bacillus subtilis]]
[[Category: Bacillus subtilis]]
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[[Category: Ribonuclease P]]
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[[Category: Large Structures]]
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[[Category: Single protein]]
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[[Category: Christianson DW]]
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[[Category: Christianson, D W.]]
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[[Category: Stams T]]
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[[Category: Stams, T.]]
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[[Category: SO4]]
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[[Category: ZN]]
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[[Category: endonuclease]]
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[[Category: rnase]]
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[[Category: subunit]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 11:41:35 2008''
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Current revision

RNASE P PROTEIN FROM BACILLUS SUBTILIS

PDB ID 1a6f

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