2a18

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[[Image:2a18.gif|left|200px]]<br /><applet load="2a18" size="350" color="white" frame="true" align="right" spinBox="true"
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[[Image:2a18.gif|left|200px]]
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caption="2a18, resolution 2.28&Aring;" />
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'''carboxysome shell protein ccmK4, crystal form 2'''<br />
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{{Structure
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|PDB= 2a18 |SIZE=350|CAPTION= <scene name='initialview01'>2a18</scene>, resolution 2.28&Aring;
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|SITE=
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|LIGAND= <scene name='pdbligand=NH4:AMMONIUM ION'>NH4</scene>
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|ACTIVITY=
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|GENE= ccmK4 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1143 Synechocystis sp.])
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}}
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'''carboxysome shell protein ccmK4, crystal form 2'''
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==Overview==
==Overview==
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==About this Structure==
==About this Structure==
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2A18 is a [http://en.wikipedia.org/wiki/Single_protein Single protein] structure of sequence from [http://en.wikipedia.org/wiki/Synechocystis_sp. Synechocystis sp.] with <scene name='pdbligand=NH4:'>NH4</scene> as [http://en.wikipedia.org/wiki/ligand ligand]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A18 OCA].
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2A18 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Synechocystis_sp. Synechocystis sp.]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2A18 OCA].
==Reference==
==Reference==
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Protein structures forming the shell of primitive bacterial organelles., Kerfeld CA, Sawaya MR, Tanaka S, Nguyen CV, Phillips M, Beeby M, Yeates TO, Science. 2005 Aug 5;309(5736):936-8. PMID:[http://ispc.weizmann.ac.il//pmbin/getpm?pmid=16081736 16081736]
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Protein structures forming the shell of primitive bacterial organelles., Kerfeld CA, Sawaya MR, Tanaka S, Nguyen CV, Phillips M, Beeby M, Yeates TO, Science. 2005 Aug 5;309(5736):936-8. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/16081736 16081736]
[[Category: Single protein]]
[[Category: Single protein]]
[[Category: Synechocystis sp.]]
[[Category: Synechocystis sp.]]
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[[Category: cyclic hexamer; c6 point symmetry]]
[[Category: cyclic hexamer; c6 point symmetry]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 16:22:35 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 15:44:08 2008''

Revision as of 13:44, 20 March 2008

Image:2a18.gif


PDB ID 2a18

Drag the structure with the mouse to rotate
, resolution 2.28Å
Ligands:
Gene: ccmK4 (Synechocystis sp.)
Coordinates: save as pdb, mmCIF, xml



carboxysome shell protein ccmK4, crystal form 2


Overview

Bacterial microcompartments are primitive organelles composed entirely of protein subunits. Genomic sequence databases reveal the widespread occurrence of microcompartments across diverse microbes. The prototypical bacterial microcompartment is the carboxysome, a protein shell for sequestering carbon fixation reactions. We report three-dimensional crystal structures of multiple carboxysome shell proteins, revealing a hexameric unit as the basic microcompartment building block and showing how these hexamers assemble to form flat facets of the polyhedral shell. The structures suggest how molecular transport across the shell may be controlled and how structural variations might govern the assembly and architecture of these subcellular compartments.

About this Structure

2A18 is a Single protein structure of sequence from Synechocystis sp.. Full crystallographic information is available from OCA.

Reference

Protein structures forming the shell of primitive bacterial organelles., Kerfeld CA, Sawaya MR, Tanaka S, Nguyen CV, Phillips M, Beeby M, Yeates TO, Science. 2005 Aug 5;309(5736):936-8. PMID:16081736

Page seeded by OCA on Thu Mar 20 15:44:08 2008

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