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1zdw

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{{STRUCTURE_1zdw| PDB=1zdw | SCENE= }}
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'''Co-crystal structure of Orf2 an aromatic prenyl transferase from Streptomyces sp. strain CL190 complexed with GSPP and Flaviolin'''
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===Co-crystal structure of Orf2 an aromatic prenyl transferase from Streptomyces sp. strain CL190 complexed with GSPP and Flaviolin===
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==Overview==
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The anti-oxidant naphterpin is a natural product containing a polyketide-based aromatic core with an attached 10-carbon geranyl group derived from isoprenoid (terpene) metabolism. Hybrid natural products such as naphterpin that contain 5-carbon (dimethylallyl), 10-carbon (geranyl) or 15-carbon (farnesyl) isoprenoid chains possess biological activities distinct from their non-prenylated aromatic precursors. These hybrid natural products represent new anti-microbial, anti-oxidant, anti-inflammatory, anti-viral and anti-cancer compounds. A small number of aromatic prenyltransferases (PTases) responsible for prenyl group attachment have only recently been isolated and characterized. Here we report the gene identification, biochemical characterization and high-resolution X-ray crystal structures of an architecturally novel aromatic PTase, Orf2 from Streptomyces sp. strain CL190, with substrates and substrate analogues bound. In vivo, Orf2 attaches a geranyl group to a 1,3,6,8-tetrahydroxynaphthalene-derived polyketide during naphterpin biosynthesis. In vitro, Orf2 catalyses carbon-carbon-based and carbon-oxygen-based prenylation of a diverse collection of hydroxyl-containing aromatic acceptors of synthetic, microbial and plant origin. These crystal structures, coupled with in vitro assays, provide a basis for understanding and potentially manipulating the regio-specific prenylation of aromatic small molecules using this structurally unique family of aromatic PTases.
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(as it appears on PubMed at http://www.pubmed.gov), where 15959519 is the PubMed ID number.
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{{ABSTRACT_PUBMED_15959519}}
==About this Structure==
==About this Structure==
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[[Category: Novel aromatic prenyltransferase barrel fold]]
[[Category: Novel aromatic prenyltransferase barrel fold]]
[[Category: Pt-barrel]]
[[Category: Pt-barrel]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 17:30:32 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 16:46:50 2008''

Revision as of 13:46, 27 July 2008

Image:1zdw.png

Template:STRUCTURE 1zdw

Co-crystal structure of Orf2 an aromatic prenyl transferase from Streptomyces sp. strain CL190 complexed with GSPP and Flaviolin

Template:ABSTRACT PUBMED 15959519

About this Structure

Full crystallographic information is available from OCA.

Reference

Structural basis for the promiscuous biosynthetic prenylation of aromatic natural products., Kuzuyama T, Noel JP, Richard SB, Nature. 2005 Jun 16;435(7044):983-7. PMID:15959519

Page seeded by OCA on Sun Jul 27 16:46:50 2008

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