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Slc29a1 | Equilibrative nucleoside transporter 1; Mediates both influx and efflux of nucleosides across the membrane (equilibrative transporter). It is sensitive (ES) to low concentrations of the inhibitor nitrobenzylmercaptopurine riboside (NBMPR) and is sodium-independent. It has a higher affinity for adenosine. Resistant to dipyridamole and dilazep inhibition (anticancer chemotherapeutics drugs). (460 aa) | ||||
Slc29a3 | Equilibrative nucleoside transporter 3; Mediates both influx and efflux of nucleosides across the membrane (equilibrative transporter). Mediates transport of adenine, adenosine and uridine (By similarity); Belongs to the SLC29A/ENT transporter (TC 2.A.57) family. (475 aa) | ||||
Slc29a4 | Equilibrative nucleoside transporter 4; Functions as a polyspecific organic cation transporter, efficiently transporting many organic cations such as monoamine neurotransmitters 1-methyl-4-phenylpyridinium and biogenic amines including serotonin, dopamine, norepinephrine and epinephrine. May play a role in regulating central nervous system homeostasis of monoamine neurotransmitters. May be involved in luminal transport of organic cations in the kidney and seems to use luminal proton gradient to drive organic cation reabsorptprev reabsorption. Does not seem to transport nucleoside and n [...] (528 aa) | ||||
Slc29a2 | Equilibrative nucleoside transporter 2; Mediates equilibrative transport of purine and pyrimidine nucleosides, and the purine base hypoxanthine; Belongs to the SLC29A/ENT transporter (TC 2.A.57) family. (456 aa) |