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5f8x

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==The crystal structure of human plasma kallikrein in complex with its peptide inhibitor pkalin-3==
==The crystal structure of human plasma kallikrein in complex with its peptide inhibitor pkalin-3==
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<StructureSection load='5f8x' size='340' side='right' caption='[[5f8x]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
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<StructureSection load='5f8x' size='340' side='right'caption='[[5f8x]], [[Resolution|resolution]] 1.55&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[5f8x]] is a 2 chain structure. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4zj6 4zj6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5F8X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5F8X FirstGlance]. <br>
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<table><tr><td colspan='2'>[[5f8x]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4zj6 4zj6]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5F8X OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5F8X 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=MRZ:PIPERIDINE-1-CARBOXIMIDAMIDE'>MRZ</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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]] 1.55&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[5f8z|5f8z]], [[5f8t|5f8t]]</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=MRZ:PIPERIDINE-1-CARBOXIMIDAMIDE'>MRZ</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</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/Plasma_kallikrein Plasma kallikrein], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.21.34 3.4.21.34] </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=5f8x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5f8x OCA], [https://pdbe.org/5f8x PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5f8x RCSB], [https://www.ebi.ac.uk/pdbsum/5f8x PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5f8x 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=5f8x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5f8x OCA], [http://pdbe.org/5f8x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=5f8x RCSB], [http://www.ebi.ac.uk/pdbsum/5f8x PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=5f8x ProSAT]</span></td></tr>
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</table>
</table>
== Disease ==
== Disease ==
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[[http://www.uniprot.org/uniprot/KLKB1_HUMAN KLKB1_HUMAN]] Defects in KLKB1 are the cause of prekallikrein deficiency (PKK deficiency) [MIM:[http://omim.org/entry/612423 612423]]; also known as Fletcher factor deficiency. This disorder is a blood coagulation defect.
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[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 ==
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[[http://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.
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[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.
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==See Also==
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*[[Kallikrein 3D structures|Kallikrein 3D structures]]
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Plasma kallikrein]]
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[[Category: Homo sapiens]]
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[[Category: Andreasen, P]]
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[[Category: Large Structures]]
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[[Category: Huang, M]]
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[[Category: Synthetic construct]]
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[[Category: Jiang, L]]
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[[Category: Andreasen P]]
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[[Category: Luo, Z]]
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[[Category: Huang M]]
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[[Category: Xu, M]]
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[[Category: Jiang L]]
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[[Category: Xu, P]]
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[[Category: Luo Z]]
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[[Category: Hydrolase-hydrolase inhibitor complex]]
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[[Category: Xu M]]
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[[Category: Peptide inhibitor]]
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[[Category: Xu P]]

Current revision

The crystal structure of human plasma kallikrein in complex with its peptide inhibitor pkalin-3

PDB ID 5f8x

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