TABLE 1

Kinetic parameters of atenolol uptake by hOCT1, hOCT2, hMATE1, and hMATE2-K

KmVmax
μMpmol/min/mg protein
hOCT1128 ± 161355 ± 40
hOCT2280 ± 411836 ± 71
hMATE132 ± 5323 ± 12
hMATE2-K76 ± 14500 ± 22