5ykd

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'''Unreleased structure'''
 
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The entry 5ykd is ON HOLD until Paper Publication
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==Crystal structure of dihydropyrimidinase from Pseudomonas aeruginosa PAO1 at 2.17 angstrom resolution==
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<StructureSection load='5ykd' size='340' side='right'caption='[[5ykd]], [[Resolution|resolution]] 2.17&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5ykd]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Pseudomonas_aeruginosa_PAO1 Pseudomonas aeruginosa PAO1]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5YKD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5YKD FirstGlance]. <br>
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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]] 2.17&#8491;</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=KCX:LYSINE+NZ-CARBOXYLIC+ACID'>KCX</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></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=5ykd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5ykd OCA], [https://pdbe.org/5ykd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5ykd RCSB], [https://www.ebi.ac.uk/pdbsum/5ykd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5ykd ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/HYDA_PSEAE HYDA_PSEAE] Catalyzes the hydrolysis of dihydropyrimidines and of the structurally related DL-5-mono-substituted hydantoins, to produce N-carbamoyl-D-amino acids.
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Dihydropyrimidinase, a dimetalloenzyme containing a carboxylated lysine within the active site, is a member of the cyclic amidohydrolase family, which also includes allantoinase, dihydroorotase, hydantoinase, and imidase. Unlike all known dihydropyrimidinases, which are tetrameric, pseudomonal dihydropyrimidinase forms a dimer at neutral pH. In this paper, we report the crystal structure of P. aeruginosa dihydropyrimidinase at pH 5.9 (PDB entry 5YKD). The crystals of P. aeruginosa dihydropyrimidinase belonged to space group C2221 with cell dimensions of a = 108.9, b = 155.7, and c = 235.6 A. The structure of P. aeruginosa dihydropyrimidinase was solved at 2.17 A resolution. An asymmetric unit of the crystal contained four crystallographically independent P. aeruginosa dihydropyrimidinase monomers. Gel filtration chromatographic analysis of purified P. aeruginosa dihydropyrimidinase revealed a mixture of dimers and tetramers at pH 5.9. Thus, P. aeruginosa dihydropyrimidinase can form a stable tetramer both in the crystalline state and in the solution. Based on sequence analysis and structural comparison of the dimer-dimer interface between P. aeruginosa dihydropyrimidinase and Thermus sp. dihydropyrimidinase, different oligomerization mechanisms are proposed.
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Authors: Huang, Y.H., Huang, C.Y.
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Structural Basis for pH-Dependent Oligomerization of Dihydropyrimidinase from Pseudomonas aeruginosa PAO1.,Cheng JH, Huang CC, Huang YH, Huang CY Bioinorg Chem Appl. 2018 Jan 30;2018:9564391. doi: 10.1155/2018/9564391., eCollection 2018. PMID:29666631<ref>PMID:29666631</ref>
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Description: Crystal structure of dihydropyrimidinase from Pseudomonas aeruginosa PAO1 at 2.17 angstrom resolution
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Huang, Y.H]]
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<div class="pdbe-citations 5ykd" style="background-color:#fffaf0;"></div>
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[[Category: Huang, C.Y]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
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[[Category: Large Structures]]
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[[Category: Pseudomonas aeruginosa PAO1]]
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[[Category: Huang CY]]
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[[Category: Huang YH]]

Current revision

Crystal structure of dihydropyrimidinase from Pseudomonas aeruginosa PAO1 at 2.17 angstrom resolution

PDB ID 5ykd

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