1h2w: Difference between revisions

← Older edit

Proteopedia Page Contributors and Editors (what is this?)Proteopedia Page Contributors and Editors (what is this?)

OCA

@@ Line 1: / Line 1: @@
-[[Image:1h2w.png|left|200px]]
-<!--
+==PROLYL OLIGOPEPTIDASE FROM PORCINE BRAIN==
-The line below this paragraph, containing "STRUCTURE_1h2w", creates the "Structure Box" on the page.
+<StructureSection load='1h2w' size='340' side='right'caption='[[1h2w]], [[Resolution|resolution]] 1.39&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'>[[1h2w]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H2W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1H2W 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]] 1.39&#8491;</td></tr>
--->
+<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr>
-{{STRUCTURE_1h2w|  PDB=1h2w  |  SCENE=  }}
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1h2w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1h2w OCA], [https://pdbe.org/1h2w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1h2w RCSB], [https://www.ebi.ac.uk/pdbsum/1h2w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1h2w ProSAT]</span></td></tr>
+</table>
+== Function ==
+[https://www.uniprot.org/uniprot/PPCE_PIG PPCE_PIG] Cleaves peptide bonds on the C-terminal side of prolyl residues within peptides that are up to approximately 30 amino acids long.
+== 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/h2/1h2w_consurf.spt"</scriptWhenChecked>
+    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.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=1h2w ConSurf].
+<div style="clear:both"></div>
+<div style="background-color:#fffaf0;">
+== Publication Abstract from PubMed ==
+Prolyl oligopeptidase, a member of a new family of serine peptidases, plays an important role in memory disorders. Earlier x-ray crystallographic investigations indicated that stabilization of the tetrahedral transition state of the reaction involved hydrogen bond formation between the oxyanion of the tetrahedral intermediate and the OH group of Tyr(473). The contribution of the OH group was tested with the Y473F variant using various substrates. The charged succinyl-Gly-Pro-4-nitroanilide was hydrolyzed with a much lower k(cat)/K(m) compared with the neutral benzyloxycarbonyl-G1y-Pro-2-naphthylamide, although the binding modes of the two substrates were similar, as shown by x-ray crystallography. This suggested that electrostatic interactions between Arg(643) and the succinyl group competed with the productive binding mechanism. Unlike most enzyme reactions, catalysis by the wild-type enzyme exhibited positive activation entropy. In contrast, the activation entropy for the Y473F variant was negative, suggesting that the tyrosine OH group is involved in stabilizing both the transition state and the water shell at the active site. Importantly, Tyr(473) is also implicated in the formation of the enzyme-substrate complex. The nonlinear Arrhenius plot suggested a greater significance of the oxyanion binding site at physiological temperature. The results indicated that Tyr(473) was more needed at high pH, at high temperature, and with charged substrates exhibiting "internally competitive inhibition."
-===PROLYL OLIGOPEPTIDASE FROM PORCINE BRAIN===
+Electrostatic effects and binding determinants in the catalysis of prolyl oligopeptidase. Site specific mutagenesis at the oxyanion binding site.,Szeltner Z, Rea D, Renner V, Fulop V, Polgar L J Biol Chem. 2002 Nov 8;277(45):42613-22. Epub 2002 Aug 28. PMID:12202494<ref>PMID:12202494</ref>
+From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
-<!--
+</div>
-The line below this paragraph, {{ABSTRACT_PUBMED_12202494}}, adds the Publication Abstract to the page
+<div class="pdbe-citations 1h2w" style="background-color:#fffaf0;"></div>
-(as it appears on PubMed at http://www.pubmed.gov), where 12202494 is the PubMed ID number.
--->
-{{ABSTRACT_PUBMED_12202494}}
-==About this Structure==
-[[1h2w]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1H2W OCA].
 ==See Also==
-*[[Prolyl Endopeptidase]]
+*[[Prolyl Endopeptidase|Prolyl Endopeptidase]]
+== References ==
-==Reference==
+<references/>
-<ref group="xtra">PMID:012202494</ref><ref group="xtra">PMID:011031266</ref><ref group="xtra">PMID:011256612</ref><ref group="xtra">PMID:009695945</ref><references group="xtra"/>
+__TOC__
-[[Category: Prolyl oligopeptidase]]
+</StructureSection>
+[[Category: Large Structures]]
 [[Category: Sus scrofa]]
-[[Category: Fulop, V.]]
+[[Category: Fulop V]]
-[[Category: Alpha/ beta-hydrolase]]
-[[Category: Amnesia]]
-[[Category: Beta-propeller]]
-[[Category: Hydrolase]]
-[[Category: Prolyl oligopeptidase]]
-[[Category: Serine protease]]