Solute carrier family 28 member 3 (SLC28A3)

Sodium-dependent, pyrimidine- and purine-selective. Involved in the homeostasis of endogenous nucleosides.

Exhibits the transport characteristics of the nucleoside transport system cib or N3 subtype (N3/cib) (with marked transportation of both thymidine and inosine). Employs a 2:1 sodium/nucleoside ratio.