2omf | pdb_00002omf

OMPF PORIN

spinqualitylabelsall models 2omf, resolution 2.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2omf is a 1 chain structure with sequence from Escherichia coli k12. This structure supersedes the now removed PDB entry 1omf. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: C8E Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [OMPF_ECOLI] Forms pores that allow passive diffusion of small molecules across the outer membrane. It is also a receptor for the bacteriophage T2. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed 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. 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 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Porin 3D structures

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