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Term:
Parent Terms Term With Siblings Child Terms
autotransporter activity 
fimbrial usher porin activity 
long-chain fatty acid transporting porin activity 
maltose transporting porin activity 
nucleoside-specific channel forming porin activity 
oligosaccharide transporting porin activity 
toxin export channel activity 
Enables the energy independent passage of toxins, sized less than 1000 Da, across a membrane towards the outside of the cell. 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.

Synonyms
Definition Sources: GOC:mtg_transport

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