1pho

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[[Image:1pho.gif|left|200px]]
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{{Structure
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pho FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pho OCA], [http://www.ebi.ac.uk/pdbsum/1pho PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1pho RCSB]</span>
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'''CRYSTAL STRUCTURES EXPLAIN FUNCTIONAL PROPERTIES OF TWO E. COLI PORINS'''
'''CRYSTAL STRUCTURES EXPLAIN FUNCTIONAL PROPERTIES OF TWO E. COLI PORINS'''
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[[Category: Jansonius, J N.]]
[[Category: Jansonius, J N.]]
[[Category: Schirmer, T.]]
[[Category: Schirmer, T.]]
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[[Category: outer membrane protein]]
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[[Category: Outer membrane protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 05:05:52 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 22:59:46 2008''
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Revision as of 02:05, 3 May 2008

Image:1pho.gif

Template:STRUCTURE 1pho

CRYSTAL STRUCTURES EXPLAIN FUNCTIONAL PROPERTIES OF TWO E. COLI PORINS


Overview

Porins form aqueous channels that aid the diffusion of small hydrophilic molecules across the outer membrane of Gram-negative bacteria. The crystal structures of matrix porin and phosphoporin both reveal trimers of identical subunits, each subunit consisting of a 16-stranded anti-parallel beta-barrel containing a pore. A long loop inside the barrel contributes to a constriction of the channel where the charge distribution affects ion selectivity. The structures explain at the molecular level functional characteristics and their alterations by known mutations.

About this Structure

1PHO is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Crystal structures explain functional properties of two E. coli porins., Cowan SW, Schirmer T, Rummel G, Steiert M, Ghosh R, Pauptit RA, Jansonius JN, Rosenbusch JP, Nature. 1992 Aug 27;358(6389):727-33. PMID:1380671 Page seeded by OCA on Sat May 3 05:05:52 2008

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