2a1b

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{{STRUCTURE_2a1b| PDB=2a1b | SCENE= }}
{{STRUCTURE_2a1b| PDB=2a1b | SCENE= }}
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'''Carboxysome shell protein ccmK2'''
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===Carboxysome shell protein ccmK2===
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==Overview==
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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.
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(as it appears on PubMed at http://www.pubmed.gov), where 16081736 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16081736}}
==About this Structure==
==About this Structure==
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[[Category: C6 point symmetry]]
[[Category: C6 point symmetry]]
[[Category: Cyclic hexamer]]
[[Category: Cyclic hexamer]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 18:28:51 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:33:47 2008''

Revision as of 06:33, 28 July 2008

Template:STRUCTURE 2a1b

Carboxysome shell protein ccmK2

Template:ABSTRACT PUBMED 16081736

About this Structure

2A1B 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 Mon Jul 28 09:33:47 2008

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