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1f0i

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{{STRUCTURE_1f0i| PDB=1f0i | SCENE= }}
{{STRUCTURE_1f0i| PDB=1f0i | SCENE= }}
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'''THE FIRST CRYSTAL STRUCTURE OF A PHOSPHOLIPASE D'''
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===THE FIRST CRYSTAL STRUCTURE OF A PHOSPHOLIPASE D===
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==Overview==
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BACKGROUND: The phospholipase D (PLD) superfamily includes enzymes that are involved in phospholipid metabolism, nucleases, toxins and virus envelope proteins of unknown function. PLD hydrolyzes the terminal phosphodiester bond of phospholipids to phosphatidic acid and a hydrophilic constituent. Phosphatidic acid is a compound that is heavily involved in signal transduction. PLD also catalyses a transphosphatidylation reaction in the presence of phosphatidylcholine and a short-chained primary or secondary alcohol. RESULTS: The first crystal structure of a 54 kDa PLD has been determined to 1.9 A resolution using the multiwavelength anomalous dispersion (MAD) method on a single WO(4) ion and refined to 1.4 A resolution. PLD from the bacterial source Streptomyces sp. strain PMF consists of a single polypeptide chain that is folded into two domains. An active site is located at the interface between these domains. The presented structure supports the proposed superfamily relationship with the published structure of the 16 kDa endonuclease from Salmonella typhimurium. CONCLUSIONS: The structure of PLD provides insight into the structure and mode of action of not only bacterial, plant and mammalian PLDs, but also of a variety of enzymes as diverse as cardiolipin synthases, phosphatidylserine synthases, toxins, endonucleases, as well as poxvirus envelope proteins having a so far unknown function. The common features of these enzymes are that they can bind to a phosphodiester moiety, and that most of these enzymes are active as bi-lobed monomers or dimers.
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(as it appears on PubMed at http://www.pubmed.gov), where 10873862 is the PubMed ID number.
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{{ABSTRACT_PUBMED_10873862}}
==About this Structure==
==About this Structure==
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[[Category: Alpha-beta-alpha-beta-alpha structure]]
[[Category: Alpha-beta-alpha-beta-alpha structure]]
[[Category: Phospholipase d]]
[[Category: Phospholipase d]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 15:44:46 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 02:18:04 2008''

Revision as of 23:18, 30 June 2008

Image:1f0i.png

Template:STRUCTURE 1f0i

THE FIRST CRYSTAL STRUCTURE OF A PHOSPHOLIPASE D

Template:ABSTRACT PUBMED 10873862

About this Structure

1F0I is a Single protein structure of sequence from Streptomyces sp.. Full crystallographic information is available from OCA.

Reference

The first crystal structure of a phospholipase D., Leiros I, Secundo F, Zambonelli C, Servi S, Hough E, Structure. 2000 Jun 15;8(6):655-67. PMID:10873862

Page seeded by OCA on Tue Jul 1 02:18:04 2008

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