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Escherichia coli K-12 substr. MG1655 Gene-Ontology-Terms Class: GO:0015288 - porin activity

Synonyms: porin

Definition: Catalysis of the transfer of substances, sized less than 1000 Da, from one side of the membrane to the other. The transmembrane portions of porins consist exclusively of beta-strands which form a beta-barrel. They are found in the outer membranes of Gram-negative bacteria, mitochondria, plastids and possibly acid-fast Gram-positive bacteria.

Parent Classes:
GO:0022829 - wide pore channel activity

Child Classes:
GO:0015471 - nucleoside-specific channel forming porin activity (1) ,
GO:0015473 - fimbrial usher porin activity (9) ,
GO:0015478 - oligosaccharide transporting porin activity (1) ,
GO:0015481 - maltose transporting porin activity (1) ,
GO:0015483 - long-chain fatty acid transporting porin activity (1)

Term Members:
N-acetylneuraminic acid outer membrane channel (nanC) ,
nucleoside channel; receptor of phage T6 and colicin K (tsx) ,
copper / silver efflux system - outer membrane porin (cusC) ,
predicted lipoprotein (yddL) ,
chitobiose outer membrane porin (chiP) ,
predicted outer membrane porin L (ompL) ,
predicted protein, C-ter fragment (yedS_3) ,
predicted protein, middle fragment (yedS_2) ,
predicted protein, N-ter fragment (yedS_1) ,
outer membrane porin OmpG ,
carbohydrate-specific outer membrane porin, cryptic (bglH) ,
outer membrane porin protein; locus of qsr prophage (nmpC) ,
predicted exopolysaccharide export protein (gfcE) ,
lipoprotein required for capsular polysaccharide translocation through the outer membrane (wza) ,
OmpC ,
vitamin B12 / E colicin / bacteriophage BF23 outer membrane porin BtuB ,
PhoE ,
OmpF ,
TolC monomer ,
membrane-associated protein (uidC) ,
LamB ,
outer membrane protein A (ompA) ,
outer membrane pore protein N, non-specific (ompN)

Unification Links: GO:0015288


Report Errors or Provide Feedback
Please cite the following article in publications resulting from the use of EcoCyc: Nucleic Acids Research 41:D605-12 2013
Page generated by SRI International Pathway Tools version 18.5 on Mon Nov 24, 2014, BIOCYC14B.