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Catalysis of the transfer of adhesin from the periplasm to the external milieu; the adhesin and the porin are the N- and C-terminal regions of the same protein, respectively. Catalysis of the transfer of hemaglutinin from the periplasm to the external milieu; the hemaglutinin and the porin are the N- and C-terminal regions of the same protein, respectively. Enables the transport of a solute across a membrane via a large pore, un-gated channel. Examples include gap junctions, which transport substances from one cell to another; and porins which transport substances in and out of bacteria, mitochondria and chloroplasts. Enables the directed movement of a specific substance or group of related substances (such as macromolecules, small molecules, ions) into, out of, within or between cells. Enables the directed movement of proteins into, out of, within or between cells. Transports a passenger protein from the periplasm to the external milieu; the passenger protein and the porin are the N- and C-terminal regions of the same protein, respectively. 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.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: autotransporter activity
Acc: GO:0015474
Aspect: Molecular Function
Desc: Transports a passenger protein from the periplasm to the external milieu; the passenger protein and the porin are the N- and C-terminal regions of the same protein, respectively.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0015474 - autotransporter activity (interactive image map)
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