FB2026_03 , released September 17, 2026
CV Term Report
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General Information
Term ammonium channel activity ID (Ontology) GO:0008519 (Gene Ontology)
Definition Enables the energy-independent facilitated diffusion of ammonium through a transmembrane aqueous pore or channel.[ PubMed:17710640 ]
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Data ClassFieldDirect annotations
Genes (FBgn)GO_MOLECULAR_FUNCTION
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 ammonium channel activity (all annotations which use CV term, excluding "NOT" statements)
     enables | ammonium channel activity       --
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  passive transmembrane transporter activity
   |__channel activity
       |__ammonium channel activity  3 rec.
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Synonyms
  • "ammonia transmembrane transporter activity" BROAD
    "ammonium transmembrane transporter activity" BROAD
Secondary IDs
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MetaCyc:RXN-9615
Reactome:R-HSA-444393 "RhCG mediates ammonium influx into kidney collecting duct cells"
Reactome:R-HSA-444416 "RHAG transports NH4+ from cytosol to extracellular region (red blood cells)"
Reactome:R-HSA-444419 "RhBG mediates ammonium effflux out of kidney collecting duct cells"
Reactome:R-HSA-446277 "RhCG mediates ammonium efflux out of kidney collecting duct cells"
Reactome:R-HSA-446278 "RhBG mediates ammonium influx into kidney collecting duct cells"
Reactome:R-HSA-5623051 "Defective RHAG does not transport NH4+ from cytosol to extracellular region (rbc)"
TC:1.A.11