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Term Detail
GO term:porin activity
Synonym: outer membrane exporter porin
Synonym: porin
GO id:GO:0015288
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.
Number of paths to term: 1

is-adenotes an 'is-a' relationship
part-ofdenotes a 'part-of' relationship
regulatesdenotes a 'regulates' relationship
positively-regulatesdenotes a 'positively-regulates' relationship
negatively-regulatesdenotes a 'negatively-regulates' relationship

                is-atransporter activity
                        is-atransmembrane transporter activity
                                is-apassive transmembrane transporter activity
                                        is-achannel activity
                                                is-awide pore channel activity
                                                        is-agap junction channel activity +
                                                        is-agap junction hemi-channel activity
                                                        is-aporin activity [GO:0015288] (6 genes, 6 annotations)
                                                                is-aautotransporter activity +
                                                                is-afimbrial usher porin activity
                                                                is-along-chain fatty acid transporting porin activity
                                                                is-amaltose transporting porin activity
                                                                is-anucleoside-specific channel forming porin activity
                                                                is-aoligosaccharide transporting porin activity
                                                                is-atoxin export channel activity

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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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MGI 6.08
The Jackson Laboratory