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Catalysis of the transfer of ammonium from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. In high affinity transport the transporter is able to bind the solute even if it is only present at very low concentrations. Catalysis of the transfer of inorganic cations from one side of a membrane to the other. Inorganic cations are atoms or small molecules with a positive charge that do not contain carbon in covalent linkage. Catalysis of the transfer of ammonium from one side of a membrane to the other, up its concentration gradient. The transporter binds the solute and undergoes a series of conformational changes. Transport works equally well in either direction and is driven by a chemiosmotic source of energy. Chemiosmotic sources of energy include uniport, symport or antiport. In low affinity transport the transporter is able to bind the solute only if it is present at very high concentrations. Catalysis of the transfer of cation from one side of the membrane to the other. Catalysis of facilitated diffusion of ammonium (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. Catalysis of the transfer of ammonium from one side of a membrane to the other. Ammonium is the cation NH4+ which is formed from N2 by root-nodule bacteria in leguminous plants and is an excretory product in ammonotelic animals. Catalysis of the transfer of organic cations from one side of a membrane to the other. Organic cations are atoms or small molecules with a positive charge that contain carbon in covalent linkage.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: ammonium transmembrane transporter activity
Acc: GO:0008519
Aspect: Molecular Function
Desc: Catalysis of the transfer of ammonium from one side of a membrane to the other. Ammonium is the cation NH4+ which is formed from N2 by root-nodule bacteria in leguminous plants and is an excretory product in ammonotelic animals.
Proteins in PDR annotated with:
   This term: 54 [Search]
   Term or descendants: 55 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0008519 - ammonium transmembrane transporter activity (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle