3mph

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[[Image:3mph.png|left|200px]]
 
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==The structure of human diamine oxidase complexed with an inhibitor aminoguanidine==
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The line below this paragraph, containing "STRUCTURE_3mph", creates the "Structure Box" on the page.
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<StructureSection load='3mph' size='340' side='right'caption='[[3mph]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3mph]] 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=3MPH OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3MPH 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]] 2.05&#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=AGQ:3-[(3E)-3-(CARBAMIMIDOYLHYDRAZONO)-4-HYDROXY-6-OXOCYCLOHEXA-1,4-DIEN-1-YL]-L-ALANINE'>AGQ</scene>, <scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene></td></tr>
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{{STRUCTURE_3mph| PDB=3mph | SCENE= }}
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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=3mph FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3mph OCA], [https://pdbe.org/3mph PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3mph RCSB], [https://www.ebi.ac.uk/pdbsum/3mph PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3mph ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/AOC1_HUMAN AOC1_HUMAN] Catalyzes the degradation of compounds such as putrescine, histamine, spermine, and spermidine, substances involved in allergic and immune responses, cell proliferation, tissue differentiation, tumor formation, and possibly apoptosis. Placental DAO is thought to play a role in the regulation of the female reproductive function.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mp/3mph_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=3mph ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Copper-containing amine oxidases (CAOs) require a protein-derived topaquinone cofactor (TPQ) for activity. TPQ biogenesis is a self-processing reaction requiring the presence of copper and molecular oxygen. Recombinant human diamine oxidase (hDAO) was heterologously expressed in Drosophila S2 cells, and analysis indicates that the purified hDAO contains substoichiometric amounts of copper and TPQ. The crystal structure of a complex of an inhibitor, aminoguanidine, and hDAO at 2.05 A resolution shows that the aminoguanidine forms a covalent adduct with the TPQ and that the site is approximately 75% occupied. Aminoguanidine is a potent inhibitor of hDAO with an IC(50) of 153 +/- 9 nM. The structure indicates that the catalytic metal site, normally occupied by copper, is fully occupied. X-ray diffraction data recorded below the copper edge, between the copper and zinc edges, and above the zinc edge have been used to show that the metal site is occupied approximately 75% by copper and 25% by zinc and the formation of the TPQ cofactor is correlated with copper occupancy.
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===The structure of human diamine oxidase complexed with an inhibitor aminoguanidine===
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Correlation of Active Site Metal Content in Human Diamine Oxidase with Trihydroxyphenylalanine Quinone Cofactor Biogenesis .,McGrath AP, Caradoc-Davies T, Collyer CA, Guss JM Biochemistry. 2010 Sep 1. PMID:20722416<ref>PMID:20722416</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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The line below this paragraph, {{ABSTRACT_PUBMED_20722416}}, adds the Publication Abstract to the page
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<div class="pdbe-citations 3mph" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 20722416 is the PubMed ID number.
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== References ==
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<references/>
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{{ABSTRACT_PUBMED_20722416}}
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__TOC__
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</StructureSection>
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==About this Structure==
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[[3mph]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3MPH OCA].
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==Reference==
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<ref group="xtra">PMID:020722416</ref><references group="xtra"/>
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[[Category: Diamine oxidase]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Guss, J M.]]
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[[Category: Large Structures]]
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[[Category: McGrath, A P.]]
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[[Category: Guss JM]]
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[[Category: Aminoguanidine]]
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[[Category: McGrath AP]]
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[[Category: Cao]]
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[[Category: Copper amine oxidase]]
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[[Category: Dao]]
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[[Category: Diamine oxidase]]
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[[Category: Human]]
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[[Category: Oxidoreductase]]
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[[Category: Topaquinone]]
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[[Category: Tpq]]
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Current revision

The structure of human diamine oxidase complexed with an inhibitor aminoguanidine

PDB ID 3mph

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OCA

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