3utl

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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3utl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3UTL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3UTL FirstGlance]. <br>
<table><tr><td colspan='2'>[[3utl]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3UTL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3UTL FirstGlance]. <br>
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</td></tr><tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Pepsin_A Pepsin A], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.23.1 3.4.23.1] </span></td></tr>
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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]] 2.61&#8491;</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3utl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3utl OCA], [https://pdbe.org/3utl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3utl RCSB], [https://www.ebi.ac.uk/pdbsum/3utl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3utl ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3utl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3utl OCA], [https://pdbe.org/3utl PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3utl RCSB], [https://www.ebi.ac.uk/pdbsum/3utl PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3utl ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/PEPA4_HUMAN PEPA4_HUMAN] Shows particularly broad specificity; although bonds involving phenylalanine and leucine are preferred, many others are also cleaved to some extent.
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The analysis reported here describes detailed structural studies of endothiapepsin (the aspartic proteinase from Endothia parasitica), with and without bound inhibitors, and human pepsin 3b. Comparison of multiple crystal structures of members of the aspartic proteinase family has revealed small but significant differences in domain orientation in different crystal forms. In this paper, it is shown that these differences in domain orientation do not necessarily correlate with the presence or absence of bound inhibitors, but appear to stem at least partly from crystal contacts mediated by sulfate ions. However, since the same inherent flexibility of the structure is observed for other enzymes in this family such as human pepsin, the native structure of which is also reported here, the observed domain movements may well have implications for the mechanism of catalysis.
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An analysis of subdomain orientation, conformational change and disorder in relation to crystal packing of aspartic proteinases.,Bailey D, Carpenter EP, Coker A, Coker S, Read J, Jones AT, Erskine P, Aguilar CF, Badasso M, Toldo L, Rippmann F, Sanz-Aparicio J, Albert A, Blundell TL, Roberts NB, Wood SP, Cooper JB Acta Crystallogr D Biol Crystallogr. 2012 May;68(Pt 5):541-52. Epub 2012 Apr 17. PMID:22525752<ref>PMID:22525752</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 3utl" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Pepsin|Pepsin]]
*[[Pepsin|Pepsin]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Pepsin A]]
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[[Category: Coker A]]
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[[Category: Coker, A]]
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[[Category: Cooper JB]]
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[[Category: Cooper, J B]]
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[[Category: Aspartic proteinase]]
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[[Category: Hydrolase]]
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[[Category: Stomach lumen]]
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Revision as of 14:08, 14 March 2024

Human pepsin 3b

PDB ID 3utl

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