1pkp

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[[Image:1pkp.gif|left|200px]]
 
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==THE STRUCTURE OF RIBOSOMAL PROTEIN S5 REVEALS SITES OF INTERACTION WITH 16S RRNA==
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The line below this paragraph, containing "STRUCTURE_1pkp", creates the "Structure Box" on the page.
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<StructureSection load='1pkp' size='340' side='right'caption='[[1pkp]], [[Resolution|resolution]] 2.80&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'>[[1pkp]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PKP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1PKP 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]] 2.8&#8491;</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=1pkp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pkp OCA], [https://pdbe.org/1pkp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1pkp RCSB], [https://www.ebi.ac.uk/pdbsum/1pkp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1pkp ProSAT]</span></td></tr>
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{{STRUCTURE_1pkp| PDB=1pkp | SCENE= }}
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RS5_GEOSE RS5_GEOSE] With S4 and S12 plays an important role in translational accuracy (By similarity). Located at the back of the 30S subunit body where it stabilizes the conformation of the head with respect to the body (By similarity).
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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/pk/1pkp_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=1pkp ConSurf].
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<div style="clear:both"></div>
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'''THE STRUCTURE OF RIBOSOMAL PROTEIN S5 REVEALS SITES OF INTERACTION WITH 16S RRNA'''
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==See Also==
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*[[Ribosomal protein S5|Ribosomal protein S5]]
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__TOC__
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==Overview==
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</StructureSection>
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Understanding the process whereby the ribosome translates the genetic code into protein molecules will ultimately require high-resolution structural information, and we report here the first crystal structure of a protein from the small ribosomal subunit. This protein, S5, has a molecular mass of 17,500 and is highly conserved in all lifeforms. The molecule contains two distinct alpha/beta domains that have structural similarities to several other proteins that are components of ribonucleoprotein complexes. Mutations in S5 result in several phenotypes which suggest that S5 may have a role in translational fidelity and translocation. These include ribosome ambiguity or ram, reversion from streptomycin dependence and resistance to spectinomycin. Also, a cold-sensitive, spectinomycin-resistant mutant of S5 has been identified which is defective in initiation. Here we show that these mutations map to two distinct regions of the molecule which seem to be sites of interaction with ribosomal RNA. A structure/function analysis of the molecule reveals discrepancies with current models of the 30S subunit.
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==About this Structure==
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1PKP is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Geobacillus_stearothermophilus Geobacillus stearothermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PKP OCA].
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==Reference==
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The structure of ribosomal protein S5 reveals sites of interaction with 16S rRNA., Ramakrishnan V, White SW, Nature. 1992 Aug 27;358(6389):768-71. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/1508272 1508272]
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[[Category: Geobacillus stearothermophilus]]
[[Category: Geobacillus stearothermophilus]]
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[[Category: Single protein]]
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[[Category: Large Structures]]
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[[Category: Ramakrishnan, V.]]
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[[Category: Ramakrishnan V]]
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[[Category: White, S W.]]
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[[Category: White SW]]
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[[Category: Ribosomal protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:11:46 2008''
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Current revision

THE STRUCTURE OF RIBOSOMAL PROTEIN S5 REVEALS SITES OF INTERACTION WITH 16S RRNA

PDB ID 1pkp

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