3q70

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==Secreted aspartic protease in complex with ritonavir==
==Secreted aspartic protease in complex with ritonavir==
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<StructureSection load='3q70' size='340' side='right' caption='[[3q70]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
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<StructureSection load='3q70' size='340' side='right'caption='[[3q70]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3q70]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Candida_albicans Candida albicans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3Q70 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3Q70 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3q70]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Candida_albicans Candida albicans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3Q70 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3Q70 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MRD:(4R)-2-METHYLPENTANE-2,4-DIOL'>MRD</scene>, <scene name='pdbligand=RIT:RITONAVIR'>RIT</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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]] 1.4&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3prs|3prs]], [[3pww|3pww]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MRD:(4R)-2-METHYLPENTANE-2,4-DIOL'>MRD</scene>, <scene name='pdbligand=RIT:RITONAVIR'>RIT</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Candidapepsin Candidapepsin], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.23.24 3.4.23.24] </span></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=3q70 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3q70 OCA], [https://pdbe.org/3q70 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3q70 RCSB], [https://www.ebi.ac.uk/pdbsum/3q70 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3q70 ProSAT]</span></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3q70 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3q70 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3q70 RCSB], [http://www.ebi.ac.uk/pdbsum/3q70 PDBsum]</span></td></tr>
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</table>
</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CARP2_CANAX CARP2_CANAX] Secreted aspartic peptidases (SAPs) are a group of ten acidic hydrolases considered as key virulence factors (PubMed:11478679, PubMed:12761103, PubMed:15820985, PubMed:15845479, PubMed:19880183, PubMed:20713630, PubMed:22302440, PubMed:23927842). These enzymes supply the fungus with nutrient amino acids as well as are able to degrade the selected host's proteins involved in the immune defense (PubMed:11478679, PubMed:12761103, PubMed:15820985, PubMed:15845479, PubMed:19880183, PubMed:20713630, PubMed:22302440, PubMed:23927842). Induces host inflammatory cytokine production in a proteolytic activity-independent way (PubMed:20713630). Plays a role in tissue damage during superficial infection (PubMed:12761103). Moreover, acts toward human hemoglobin though limited proteolysis to generate a variety of antimicrobial hemocidins, enabling to compete with the other microorganisms of the same physiological niche using the microbicidal peptides generated from the host protein (PubMed:23927842).<ref>PMID:11478679</ref> <ref>PMID:12761103</ref> <ref>PMID:15820985</ref> <ref>PMID:15845479</ref> <ref>PMID:19880183</ref> <ref>PMID:20713630</ref> <ref>PMID:22302440</ref> <ref>PMID:23927842</ref> Plays a key role in defense against host by cleaving histatin-5 (Hst 5), a peptide from human saliva that carries out fungicidal activity (PubMed:27390786, PubMed:29143452, PubMed:31675138). The cleavage rate decreases in an order of SAP2 > SAP9 > SAP3 > SAP7 > SAP4 > SAP1 > SAP8 (PubMed:27390786). The first cleavage occurs between residues 'Lys-17' and 'His-18' of Hst 5, giving DSHAKRHHGYKRKFHEK and HHSHRGY peptides (PubMed:27390786). Simultaneously, the DSHAKRHHGYKRK peptide is also formed (PubMed:27390786). Further fragmentation by SAP2 results in FHEK and DSHAKRHHGY products (PubMed:27390786).<ref>PMID:27390786</ref> <ref>PMID:29143452</ref> <ref>PMID:31675138</ref>
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== References ==
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<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Candida albicans]]
[[Category: Candida albicans]]
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[[Category: Candidapepsin]]
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[[Category: Large Structures]]
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[[Category: Heine, A]]
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[[Category: Heine A]]
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[[Category: Klebe, G]]
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[[Category: Klebe G]]
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[[Category: Koester, H]]
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[[Category: Koester H]]
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[[Category: Hydrolase-hydrolase inhibitor complex]]
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Current revision

Secreted aspartic protease in complex with ritonavir

PDB ID 3q70

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