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1h7w

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(New page: 200px<br /> <applet load="1h7w" size="450" color="white" frame="true" align="right" spinBox="true" caption="1h7w, resolution 1.90&Aring;" /> '''DIHYDROPYRIMIDINE D...)
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==About this Structure==
==About this Structure==
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1H7W is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]] with SF4, FMN and FAD as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/ ]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.1.2 1.3.1.2]]. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1H7W OCA]].
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1H7W is a [[http://en.wikipedia.org/wiki/Single_protein Single protein]] structure of sequence from [[http://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]] with SF4, FMN and FAD as [[http://en.wikipedia.org/wiki/ligands ligands]]. Active as [[http://en.wikipedia.org/wiki/Oxidoreductase Oxidoreductase]], with EC number [[http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.3.1.2 1.3.1.2]]. Structure known Active Sites: AC5, AC6, BC5, BC6, CC5, CC6, DC5 and DC6. Full crystallographic information is available from [[http://ispc.weizmann.ac.il/oca-bin/ocashort?id=1H7W OCA]].
==Reference==
==Reference==
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[[Category: pyrimidine catabolism]]
[[Category: pyrimidine catabolism]]
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Mon Oct 29 16:12:38 2007''
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''Page seeded by [http://ispc.weizmann.ac.il/oca OCA ] on Tue Oct 30 08:31:43 2007''

Revision as of 06:27, 30 October 2007


1h7w, resolution 1.90Å

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DIHYDROPYRIMIDINE DEHYDROGENASE (DPD) FROM PIG

Overview

Dihydropyrimidine dehydrogenase catalyzes the first step in pyrimidine, degradation: the NADPH-dependent reduction of uracil and thymine to the, corresponding 5,6-dihydropyrimidines. Its controlled inhibition has become, an adjunct target for cancer therapy, since the enzyme is also responsible, for the rapid breakdown of the chemotherapeutic drug 5-fluorouracil. The, crystal structure of the homodimeric pig liver enzyme (2x 111 kDa), determined at 1.9 A resolution reveals a highly modular subunit, organization, consisting of five domains with different folds., Dihydropyrimidine dehydrogenase contains two FAD, two FMN and eight, [4Fe-4S] clusters, arranged in two electron transfer chains that pass the, dimer interface twice. Two of the Fe-S clusters show a hitherto unobserved, ... [(full description)]

About this Structure

1H7W is a [Single protein] structure of sequence from [Sus scrofa] with SF4, FMN and FAD as [ligands]. Active as [Oxidoreductase], with EC number [1.3.1.2]. Structure known Active Sites: AC5, AC6, BC5, BC6, CC5, CC6, DC5 and DC6. Full crystallographic information is available from [OCA].

Reference

Crystal structure of dihydropyrimidine dehydrogenase, a major determinant of the pharmacokinetics of the anti-cancer drug 5-fluorouracil., Dobritzsch D, Schneider G, Schnackerz KD, Lindqvist Y, EMBO J. 2001 Feb 15;20(4):650-60. PMID:11179210

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