1wua

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[[Image:1wua.gif|left|200px]]
[[Image:1wua.gif|left|200px]]
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{{Structure
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|PDB= 1wua |SIZE=350|CAPTION= <scene name='initialview01'>1wua</scene>, resolution 1.45&Aring;
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The line below this paragraph, containing "STRUCTURE_1wua", creates the "Structure Box" on the page.
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|LIGAND= <scene name='pdbligand=AP8:(8R,9R,10R,11R,14S,18S,20S,24S)-24-{(1R,2S,3R,6R,7R,8R,9S,10E)-8-(ACETYLOXY)-6-[(N,N-DIMETHYLALANYL)OXY]-11-[FORMYL(METHYL)AMINO]-2-HYDROXY-1,3,7,9-TETRAMETHYLUNDEC-10-ENYL}-10-HYDROXY-14,20-DIMETHOXY-9,11,15,18-TETRAMETHYL-2-OXOOXACYCLOTETRACOSA-3,5,15,21-TETRAEN-8-YL+N,N,O-TRIMETHYLSERINATE'>AP8</scene>, <scene name='pdbligand=ATP:ADENOSINE-5&#39;-TRIPHOSPHATE'>ATP</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=HIC:4-METHYL-HISTIDINE'>HIC</scene>
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{{STRUCTURE_1wua| PDB=1wua | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1wua FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1wua OCA], [http://www.ebi.ac.uk/pdbsum/1wua PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1wua RCSB]</span>
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'''The structure of Aplyronine A-actin complex'''
'''The structure of Aplyronine A-actin complex'''
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[[Category: Yamada, K.]]
[[Category: Yamada, K.]]
[[Category: Yamamoto, M.]]
[[Category: Yamamoto, M.]]
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[[Category: aplyronine some]]
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[[Category: Aplyronine some]]
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[[Category: macrolide]]
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[[Category: Macrolide]]
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[[Category: marine sponge]]
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[[Category: Marine sponge]]
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[[Category: potent antitumor effect]]
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[[Category: Potent antitumor effect]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 14:08:43 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 00:41:08 2008''
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Revision as of 11:08, 3 May 2008

Image:1wua.gif

Template:STRUCTURE 1wua

The structure of Aplyronine A-actin complex


Overview

Aplyronine A, isolated from the sea hare Aplysia kurodai, possesses an exceedingly potent antitumor effect in vivo and it is one of the promising candidates as an anticancer drug. This macrolide is known to depolymerize F-actin and inhibit the polymerization of actin by forming a 1:1 complex with monomeric actin. The first complex structure of actin-aplyronine A was determined via a synchrotron X-ray analysis at a 1.45 A resolution. As expected, aplyronine A binds to a hydrophobic cleft composed of subdomains 1 and 3 of actin by intercalating its aliphatic tail part into the actin molecule as do the other reported F-actin depolymerizing agents. Unexpectedly, this complex structure shows the specific structural features around the trimethylserine moiety, revealed as an important moiety of aplyronine A for cytotoxicity against HeLa cells. Combining this result and our previous one, the moiety should strongly relate to the specific biological activity of aplyronine A; i.e. a potent antitumor effect.

About this Structure

1WUA is a Single protein structure of sequence from Oryctolagus cuniculus. Full crystallographic information is available from OCA.

Reference

Structure basis for antitumor effect of aplyronine a., Hirata K, Muraoka S, Suenaga K, Kuroda T, Kato K, Tanaka H, Yamamoto M, Takata M, Yamada K, Kigoshi H, J Mol Biol. 2006 Mar 3;356(4):945-54. Epub 2005 Dec 27. PMID:16406066 Page seeded by OCA on Sat May 3 14:08:43 2008

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OCA

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