antiporter


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antiporter

[an·tē′pȯrd·ər]
(cell and molecular biology)
A channel protein that simultaneously or sequentially transports two different types of substrates across a cell membrane, one into the cell (for example sodium ion) and one out of the cell (for example calcium ion).
References in periodicals archive ?
These NSTs are antiporters in which nucleotide sugar entry into the ER/Golgi is coupled to equimolar exit of the corresponding nucleoside monophosphate from the ER/Golgi lumen (38).
Chloride/proton antiporter activity of mammalian CLC proteins ClC-4 and ClC-5.
L is an antiporter, which exchanges cationic amino acids for large neutral amino acids, cotransported with [Na.
Na+/H+ antiporter (NHE) is a transport protein hypothesized to be involved in acid-base regulation across fish gill epithelia.
In HT22 cells, excessive glutamate inhibits the glutamate/cystein antiporter and leads to the decrease in intracellular cysteine and the depletion of glutathione.
Glutamate acts as neurotransmitter via three classes of membrane proteins: ionotropic and metabotropic glutamate receptors, and the cystine/glutamate antiporter.
antiporter is not probable, since the urine pH was similar between rats given water or corn silk extract (Table 2).
Studies (26,27) indicate that apo E may play a role in regulating calcium homeostasis, and therefore impacting neuronal regulation of various ion-independent receptors, including K+ antiporters.
Tables summarize clinical trials with drugs targeting ionic channels, antiporters, and pumps in ischemic stroke.
Maduke's interest in the CLC family is that half of the members are chloride channels, while the other half are chloride-proton antiporters.
Nucleotide sugars enter the lumen of the Golgi via specific antiporters.
Some of them are heavy-metal ATPases, natural resistance-associated macrophage proteins (NRAMPs), cation diffusion facilitators, the Zrt- and Irt- like proteins family, and the cation antiporters (Hall & Williams, 2003).