8ewd: Difference between revisions

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'''Unreleased structure'''


The entry 8ewd is ON HOLD
==Crystal structure of CYP3A4 bound to an inhibitor==
 
<StructureSection load='8ewd' size='340' side='right'caption='[[8ewd]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
Authors:  
== Structural highlights ==
 
<table><tr><td colspan='2'>[[8ewd]] 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=8EWD OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8EWD FirstGlance]. <br>
Description:  
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.2&#8491;</td></tr>
[[Category: Unreleased Structures]]
<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>, <scene name='pdbligand=WZN:{tert-butyl+[1-{[([2,2-bipyridin]-5-yl-kappa~2~N~1~,N~1~)methyl]amino}-1-oxo-3-(pyridin-4-yl)propan-2-yl]carbamate}bis[2-(quinolin-2-yl-kappaN)phenyl-kappaC~1~]iridium(1+)'>WZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=8ewd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ewd OCA], [https://pdbe.org/8ewd PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ewd RCSB], [https://www.ebi.ac.uk/pdbsum/8ewd PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ewd 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>
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Sevrioukova IF]]

Latest revision as of 13:24, 25 October 2023

Crystal structure of CYP3A4 bound to an inhibitorCrystal structure of CYP3A4 bound to an inhibitor

Structural highlights

8ewd is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.2Å
Ligands:,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

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.[1]

References

  1. Miyazawa M, Shindo M, Shimada T. Oxidation of 1,8-cineole, the monoterpene cyclic ether originated from eucalyptus polybractea, by cytochrome P450 3A enzymes in rat and human liver microsomes. Drug Metab Dispos. 2001 Feb;29(2):200-5. PMID:11159812

8ewd, resolution 2.20Å

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