1er8: Difference between revisions

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OCA

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 </table>
 == Function ==
-[https://www.uniprot.org/uniprot/ANGT_HORSE ANGT_HORSE] Essential component of the renin-angiotensin system (RAS), a potent regulator of blood pressure, body fluid and electrolyte homeostasis.[UniProtKB:P01019]  Acts directly on vascular smooth muscle as a potent vasoconstrictor, affects cardiac contractility and heart rate through its action on the sympathetic nervous system, and alters renal sodium and water absorption through its ability to stimulate the zona glomerulosa cells of the adrenal cortex to synthesize and secrete aldosterone. Acts by binding to angiotensin receptors AGTR1 and AGTR2. Also binds the DEAR/FBXW7-AS1 receptor.[UniProtKB:P01015][UniProtKB:P01019]  Stimulates aldosterone release.[UniProtKB:P01019]  Is a ligand for the G-protein coupled receptor MAS1. Has vasodilator and antidiuretic effects. Has an antithrombotic effect that involves MAS1-mediated release of nitric oxide from platelets.[UniProtKB:P11859]
+[https://www.uniprot.org/uniprot/CARP_CRYPA CARP_CRYPA]
 == Evolutionary Conservation ==
 [[Image:Consurf_key_small.gif|200px|right]]
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    <jmolCheckbox>
      <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/er/1er8_consurf.spt"</scriptWhenChecked>
-     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
+     <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=1er8 ConSurf].
 <div style="clear:both"></div>
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+The active site of the aspartic proteinase, endothiapepsin, has been defined by X-ray analysis and restrained least-squares refinement at 2.1 A resolution with a crystallographic agreement value of 0.16. The environments of the two catalytically important aspartyl groups are remarkably similar and the contributions of the NH2- and COOH-terminal domains to the catalytic centre are related by a local 2-fold axis. The carboxylates of the aspartyls share a hydrogen bond and have equivalent contacts to a bound water molecule or hydroxonium ion lying on the local diad. The main chains around 32 and 215 are connected by a novel interaction involving diad-related threonines. It is suggested that the two pKa values of the active site aspartyls arise from a structure not unlike that in maleic acid with a hydrogen-bonded intermediate species and a dicarboxylate characterised by electrostatic repulsions between the two negatively charged groups.
+The active site of aspartic proteinases.,Pearl L, Blundell T FEBS Lett. 1984 Aug 20;174(1):96-101. PMID:6381096<ref>PMID:6381096</ref>
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
+</div>
+<div class="pdbe-citations 1er8" style="background-color:#fffaf0;"></div>
 ==See Also==
 *[[Pepsin|Pepsin]]
+== References ==
+<references/>
 __TOC__
 </StructureSection>