1z11

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(New page: 200px<br /> <applet load="1z11" size="450" color="white" frame="true" align="right" spinBox="true" caption="1z11, resolution 2.05&Aring;" /> '''Crystal Structure o...)
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Revision as of 18:21, 12 November 2007

Image:1z11.gif

1z11, resolution 2.05Å

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Crystal Structure of Human Microsomal P450 2A6 with Methoxsalen Bound

Overview

Human microsomal cytochrome P450 2A6 (CYP2A6) contributes extensively to, nicotine detoxication but also activates tobacco-specific procarcinogens, to mutagenic products. The CYP2A6 structure shows a compact, hydrophobic, active site with one hydrogen bond donor, Asn297, that orients coumarin, for regioselective oxidation. The inhibitor methoxsalen effectively fills, the active site cavity without substantially perturbing the structure. The, structure should aid the design of inhibitors to reduce smoking and, tobacco-related cancers.

About this Structure

1Z11 is a Single protein structure of sequence from Homo sapiens with HEM and 8MO as ligands. Active as Unspecific monooxygenase, with EC number 1.14.14.1 Full crystallographic information is available from OCA.

Reference

Structures of human microsomal cytochrome P450 2A6 complexed with coumarin and methoxsalen., Yano JK, Hsu MH, Griffin KJ, Stout CD, Johnson EF, Nat Struct Mol Biol. 2005 Sep;12(9):822-3. Epub 2005 Aug 7. PMID:16086027

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