toxin export channel activity

id: GO:0000269
name: toxin export channel activity
namespace: molecular_function
type: go
obsolete: False

Description: 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.

Parent Functions