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==Expression, Crystallization and the Three-dimensional Structure of the Catalytic Domain of Human Plasma Kallikrein: Implications for Structure-Based Design of Protease Inhibitors== | ==Expression, Crystallization and the Three-dimensional Structure of the Catalytic Domain of Human Plasma Kallikrein: Implications for Structure-Based Design of Protease Inhibitors== | ||
<StructureSection load='2any' size='340' side='right' caption='[[2any]], [[Resolution|resolution]] 1.40Å' scene=''> | <StructureSection load='2any' size='340' side='right'caption='[[2any]], [[Resolution|resolution]] 1.40Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2any]] is a 1 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2any]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2ANY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ANY FirstGlance]. <br> | ||
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BAM:BENZAMIDINE'>BAM</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr> | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BAM:BENZAMIDINE'>BAM</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr> | ||
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2anw|2anw]]</td></tr> | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[2anw|2anw]]</div></td></tr> | ||
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">KLKB1, KLK3 ([ | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">KLKB1, KLK3 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr> | ||
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/Plasma_kallikrein Plasma kallikrein], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.34 3.4.21.34] </span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2any FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2any OCA], [https://pdbe.org/2any PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2any RCSB], [https://www.ebi.ac.uk/pdbsum/2any PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2any ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Disease == | == Disease == | ||
[[ | [[https://www.uniprot.org/uniprot/KLKB1_HUMAN KLKB1_HUMAN]] Defects in KLKB1 are the cause of prekallikrein deficiency (PKK deficiency) [MIM:[https://omim.org/entry/612423 612423]]; also known as Fletcher factor deficiency. This disorder is a blood coagulation defect. | ||
== Function == | == Function == | ||
[[ | [[https://www.uniprot.org/uniprot/KLKB1_HUMAN KLKB1_HUMAN]] The enzyme cleaves Lys-Arg and Arg-Ser bonds. It activates, in a reciprocal reaction, factor XII after its binding to a negatively charged surface. It also releases bradykinin from HMW kininogen and may also play a role in the renin-angiotensin system by converting prorenin into renin. | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Check<jmol> | Check<jmol> | ||
<jmolCheckbox> | <jmolCheckbox> | ||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/an/2any_consurf.spt"</scriptWhenChecked> | <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/an/2any_consurf.spt"</scriptWhenChecked> | ||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
<text>to colour the structure by Evolutionary Conservation</text> | <text>to colour the structure by Evolutionary Conservation</text> | ||
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</div> | </div> | ||
<div class="pdbe-citations 2any" style="background-color:#fffaf0;"></div> | <div class="pdbe-citations 2any" style="background-color:#fffaf0;"></div> | ||
==See Also== | |||
*[[Kallikrein 3D structures|Kallikrein 3D structures]] | |||
== References == | == References == | ||
<references/> | <references/> | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Human]] | [[Category: Human]] | ||
[[Category: Large Structures]] | |||
[[Category: Plasma kallikrein]] | [[Category: Plasma kallikrein]] | ||
[[Category: Estevez, A]] | [[Category: Estevez, A]] | ||