1tqn: Difference between revisions

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[[Image:1tqn.png|left|200px]]


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==Crystal Structure of Human Microsomal P450 3A4==
The line below this paragraph, containing "STRUCTURE_1tqn", creates the "Structure Box" on the page.
<StructureSection load='1tqn' size='340' side='right'caption='[[1tqn]], [[Resolution|resolution]] 2.05&Aring;' scene=''>
You may change the PDB parameter (which sets the PDB file loaded into the applet)
== Structural highlights ==
or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
<table><tr><td colspan='2'>[[1tqn]] is a 1 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=1TQN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TQN FirstGlance]. <br>
or leave the SCENE parameter empty for the default display.
</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=HEM:PROTOPORPHYRIN+IX+CONTAINING+FE'>HEM</scene></td></tr>
{{STRUCTURE_1tqn| PDB=1tqn |  SCENE= }}
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1tqn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tqn OCA], [https://pdbe.org/1tqn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tqn RCSB], [https://www.ebi.ac.uk/pdbsum/1tqn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tqn ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/CP3A4_HUMAN CP3A4_HUMAN] Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4-hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Acts as a 1,8-cineole 2-exo-monooxygenase. The enzyme also hydroxylates etoposide.<ref>PMID:11159812</ref>
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/tq/1tqn_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</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=1tqn ConSurf].
<div style="clear:both"></div>


===Crystal Structure of Human Microsomal P450 3A4===
==See Also==
 
*[[Cytochrome P450 3D structures|Cytochrome P450 3D structures]]
 
== References ==
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{{ABSTRACT_PUBMED_15258162}}
 
==About this Structure==
1TQN is a 1 chain structure of 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=1TQN OCA].
 
==Reference==
<ref group="xtra">PMID:15258162</ref><references group="xtra"/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Unspecific monooxygenase]]
[[Category: Large Structures]]
[[Category: Griffin, K J.]]
[[Category: Griffin KJ]]
[[Category: Johnson, E F.]]
[[Category: Johnson EF]]
[[Category: Schoch, G A.]]
[[Category: Schoch GA]]
[[Category: Stout, C D.]]
[[Category: Stout CD]]
[[Category: Wester, M R.]]
[[Category: Wester MR]]
[[Category: Yano, J K.]]
[[Category: Yano JK]]
[[Category: Cyp3a4]]
[[Category: Drug metabolizing enzyme]]
[[Category: Heme]]
[[Category: Monooxygenase]]
[[Category: Oxidoreductase]]
[[Category: P450]]
 
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