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Catalysis of the transfer of putrescine from one side of the membrane to the other. Putrescine is 1,4-diaminobutane, the polyamine formed by decarboxylation of ornithine and the metabolic precursor of spermidine and spermine. Enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported in opposite directions in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. Catalysis of the reaction: solute A(out) + solute B(in) = solute A(in) + solute B(out). Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: putrescine(out) + ornithine(in) = putrescine(in) + ornithine(out). Catalysis of the transfer of L-ornithine from one side of a membrane to the other. L-ornithine is 2,5-diaminopentanoic acid. Catalysis of the transfer of polyamines, organic compounds containing two or more amino groups, from one side of the membrane to the other. Catalysis of the transfer of an L-amino acid from one side of a membrane to the other. L-amino acids are the L-enantiomers of amino acids.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: putrescine:ornithine antiporter activity
Acc: GO:0015496
Aspect: Molecular Function
Desc: Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: putrescine(out) + ornithine(in) = putrescine(in) + ornithine(out).
Synonyms:
  • putrescine/ornithine antiporter activity
  • putrescine:hydrogen symporter activity
  • putrescine-ornithine antiporter activity
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0015496 - putrescine:ornithine antiporter activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle