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==Crystal structure of the human glutaminyl cyclase mutant D248A at 1.97 angstrom resolution== | ==Crystal structure of the human glutaminyl cyclase mutant D248A at 1.97 angstrom resolution== | ||
<StructureSection load='2zel' size='340' side='right' caption='[[2zel]], [[Resolution|resolution]] 1.97Å' scene=''> | <StructureSection load='2zel' size='340' side='right'caption='[[2zel]], [[Resolution|resolution]] 1.97Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[2zel]] is a 2 chain structure with sequence from [ | <table><tr><td colspan='2'>[[2zel]] is a 2 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=2ZEL OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2ZEL FirstGlance]. <br> | ||
</td></tr><tr id=' | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.97Å</td></tr> | ||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> | |||
<tr id=' | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2zel FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2zel OCA], [https://pdbe.org/2zel PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2zel RCSB], [https://www.ebi.ac.uk/pdbsum/2zel PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2zel ProSAT]</span></td></tr> | ||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | |||
</table> | </table> | ||
== Function == | == Function == | ||
[ | [https://www.uniprot.org/uniprot/QPCT_HUMAN QPCT_HUMAN] Responsible for the biosynthesis of pyroglutamyl peptides. Has a bias against acidic and tryptophan residues adjacent to the N-terminal glutaminyl residue and a lack of importance of chain length after the second residue. Also catalyzes N-terminal pyroglutamate formation. In vitro, catalyzes pyroglutamate formation of N-terminally truncated form of APP amyloid-beta peptides [Glu-3]-beta-amyloid. May be involved in the N-terminal pyroglutamate formation of several amyloid-related plaque-forming peptides.<ref>PMID:15063747</ref> <ref>PMID:18486145</ref> <ref>PMID:21288892</ref> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
[[Category: | [[Category: Homo sapiens]] | ||
[[Category: | [[Category: Large Structures]] | ||
[[Category: Chang | [[Category: Chang EC]] | ||
[[Category: Chou | [[Category: Chou TL]] | ||
[[Category: Huang | [[Category: Huang KF]] | ||
[[Category: Wang | [[Category: Wang AH]] | ||
[[Category: Wang | [[Category: Wang YR]] | ||