2joo: Difference between revisions

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[[Image:2joo.png|left|200px]]


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==The NMR Solution Structure of Recombinant RGD-hirudin==
The line below this paragraph, containing "STRUCTURE_2joo", creates the "Structure Box" on the page.
<StructureSection load='2joo' size='340' side='right'caption='[[2joo]]' 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'>[[2joo]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Hirudo_medicinalis Hirudo medicinalis]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JOO OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2JOO 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">Solution NMR, 20 models</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=2joo FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2joo OCA], [https://pdbe.org/2joo PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2joo RCSB], [https://www.ebi.ac.uk/pdbsum/2joo PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2joo ProSAT]</span></td></tr>
{{STRUCTURE_2joo|  PDB=2joo  |  SCENE=  }}
</table>
== Function ==
[https://www.uniprot.org/uniprot/HIRV1_HIRME HIRV1_HIRME] Hirudin is a potent thrombin-specific protease inhibitor. It forms a stable non-covalent complex with alpha-thrombin, thereby abolishing its ability to cleave fibrinogen.<ref>PMID:17585879</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/jo/2joo_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=2joo ConSurf].
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== Publication Abstract from PubMed ==
The solution structure of a new recombinant RGD-hirudin, which has the activities of anti-thrombin and anti-platelet aggregation, was determined by (1)H nuclear magnetic resonance spectroscopy and compared with the conformations of recombinant wild-type hirudin and hirudin (variant 2, Lys47) of the hirudin thrombin complex. On the basis of total 1284 distance and dihedral angle constraints derived from a series of NMR spectra, 20 conformers were computed with ARIA/CNS programs. The structure of residues 3-30 and 37-48 form a molecular core with two antiparallel beta-sheets as the other two hirudins. However, significant differences were found in the surface electrostatic charge distributions among the three hirudins, especially in the RGD segment of recombinant RGD-hirudin. This difference may be greatly beneficial to its additional function of anti-platelet aggregation. The difference in extended C-terminal makes its both ionic and hydrophobic interactions with the fibrinogen recognition exosite of thrombin more effective.


===The NMR Solution Structure of Recombinant RGD-hirudin===
The NMR solution structure of recombinant RGD-hirudin.,Song X, Mo W, Liu X, Zhu L, Yan X, Song H, Dai L Biochem Biophys Res Commun. 2007 Aug 17;360(1):103-8. Epub 2007 Jun 13. PMID:17585879<ref>PMID:17585879</ref>


 
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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{{ABSTRACT_PUBMED_17585879}}
 
==About this Structure==
[[2joo]] is a 1 chain structure of [[Hirudin]] with sequence from [http://en.wikipedia.org/wiki/Hirudo_medicinalis Hirudo medicinalis]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2JOO OCA].


==See Also==
==See Also==
*[[Hirudin]]
*[[Hirudin 3D structures|Hirudin 3D structures]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:17585879</ref><references group="xtra"/>
__TOC__
</StructureSection>
[[Category: Hirudo medicinalis]]
[[Category: Hirudo medicinalis]]
[[Category: Dai, L.]]
[[Category: Large Structures]]
[[Category: Liu, X.]]
[[Category: Dai L]]
[[Category: Mo, W.]]
[[Category: Liu X]]
[[Category: Song, H.]]
[[Category: Mo W]]
[[Category: Song, X.]]
[[Category: Song H]]
[[Category: Yan, X.]]
[[Category: Song X]]
[[Category: Blood clotting]]
[[Category: Yan X]]
[[Category: Mainly beta]]

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