solute carrier family 29 member 1; equilibrative nucleoside transporter 1; equilibrative nitrobenzylmercaptopurine riboside-sensitive nucleoside transporter; equilibrative NBMPR-sensitive nucleoside transporter; nucleoside transporter, es-type (SLC29A1v ENT1)
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Function
- mediates both influx & efflux of nucleosides across the membrane (equilibrative transporter)
- sensitive (ES) to low concentrations of the inhibitor nitrobenzylmercaptopurine riboside (NBMPR) & is Na+-independent
- higher affinity for adenosine
- inhibited by dipyridamole
Structure
- glycosylated
- belongs to the SLC29A transporter family
Compartment
membrane
Expression
- expressed in heart, brain, mammary gland, erythrocytes &
- placenta
- expressed in fetal liver & spleen