1rhb: Difference between revisions

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[[Image:1rhb.png|left|200px]]


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==WATER DEPENDENT DOMAIN MOTION AND FLEXIBILITY IN RIBONUCLEASE A AND THE INVARIANT FEATURES IN ITS HYDRATION SHELL. AN X-RAY STUDY OF TWO LOW HUMIDITY CRYSTAL FORMS OF THE ENZYME==
The line below this paragraph, containing "STRUCTURE_1rhb", creates the "Structure Box" on the page.
<StructureSection load='1rhb' size='340' side='right'caption='[[1rhb]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1rhb]] 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=1RHB OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1RHB FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.5&#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=1rhb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1rhb OCA], [https://pdbe.org/1rhb PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1rhb RCSB], [https://www.ebi.ac.uk/pdbsum/1rhb PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1rhb ProSAT]</span></td></tr>
{{STRUCTURE_1rhb|  PDB=1rhb  |  SCENE=  }}
</table>
== Function ==
[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>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/rh/1rhb_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1rhb ConSurf].
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== Publication Abstract from PubMed ==
The crystal structures of 88 and 79% relative humidity forms of ribonuclease A, resulting from water-mediated transformations, have been refined employing the restrained least-squares method using X-ray data collected on an area detector to R = 0.173 for 15 326 observed reflections in the 10-1.5 A resolution shell and R = 0.176 for 8534 observed reflections in the 10-1.8 A shell, respectively. The comparison of these structures with those of the native, the phosphate-bound and the sulfate-bound forms demonstrates that the mobility of the ribonuclease A molecule involves hinge-bending movement of the two domains and local flexibility within them, particularly at the termini of regular secondary structures and in loops. The comparison also leads to the identification of 31 invariant water molecules in the hydration shell of the enzyme, many of which are involved in holding different parts of the molecule together and in stabilizing local structure. The conformational changes that accompany the partial removal of the surrounding water, particularly those observed in the 79% form, could be similar to those that occur during enzyme action.


===WATER DEPENDENT DOMAIN MOTION AND FLEXIBILITY IN RIBONUCLEASE A AND THE INVARIANT FEATURES IN ITS HYDRATION SHELL. AN X-RAY STUDY OF TWO LOW HUMIDITY CRYSTAL FORMS OF THE ENZYME===
Water-dependent domain motion and flexibility in ribonuclease A and the invariant features in its hydration shell. An X-ray study of two low-humidity crystal forms of the enzyme.,Kishan RV, Chandra NR, Sudarsanakumar C, Suguna K, Vijayan M Acta Crystallogr D Biol Crystallogr. 1995 Sep 1;51(Pt 5):703-10. PMID:15299799<ref>PMID:15299799</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 1rhb" style="background-color:#fffaf0;"></div>


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==See Also==
The line below this paragraph, {{ABSTRACT_PUBMED_15299799}}, adds the Publication Abstract to the page
*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
(as it appears on PubMed at http://www.pubmed.gov), where 15299799 is the PubMed ID number.
== References ==
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<references/>
{{ABSTRACT_PUBMED_15299799}}
__TOC__
 
</StructureSection>
==About this Structure==
1RHB is a 1 chain structure of 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=1RHB OCA].
 
==Reference==
<ref group="xtra">PMID:15299799</ref><references group="xtra"/>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
[[Category: Pancreatic ribonuclease]]
[[Category: Large Structures]]
[[Category: Chandra, N R.]]
[[Category: Chandra NR]]
[[Category: Kishan, K V.Radha.]]
[[Category: Radha Kishan KV]]
[[Category: Sudarsanakumar, C.]]
[[Category: Sudarsanakumar C]]
[[Category: Suguna, K.]]
[[Category: Suguna K]]
[[Category: Vijayan, M.]]
[[Category: Vijayan M]]
 
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