Table 10.
Transporter | Substrate | ||||||||
---|---|---|---|---|---|---|---|---|---|
ADE | ADO | GUA | GUO | HYP | INO | CTD | TMD | URD | |
TbP2/AT1 | 0.38 a; 0.30 c | 0.59 a; 0.92 c | NE 3,c | >500 c | NE 4,c | NE 3,c | NE 2,c | NE 2,c | |
TbP1/NT2 | NE 3,c | 0.15 a; 0.26 b; 0.38 c | 1.8 c | NE 1,c | 0.44 c | NE 3,c | 44 c | 830 c | |
TbNT5 d | 2 | 2.2 | 49.4 | ||||||
TbNT6 d | 1.4 | 4.3 | |||||||
TbNT7 d | 0.3 | 1.8 | |||||||
TbNT9 e | 148 | 0.068 | 6.2 | 320 | 2.75 | 510 | 235 | ||
TbNT10 e | 0.41 | 0.53 | |||||||
TbNT11 f | 2.7; 8 | 266 | 651 | 141 | |||||
TbNT8/H4 g | 2.6 | 860 | 2.6 | 4.7 | 0.55 | 20 | 95 | ||
TcoAT1 | 786 | 0.42 | 0.80 | 61.2 | 0.55 | 1630 | 49.6 | 147 | |
TvxNT3 | 2.43 | 1.41 | 1.37 | 1.75 | 0.086 | >100 | 603 | 720 |
Values in bold represent Km values; all others are Ki values. ADE, adenine; ADO, adenosine; GUA, guanine; GUO, guanosine; HYP, hypoxanthine; INO, inosine; CTD, cytidine; TMD, thymidine; URD, uridine; NE, no effect at 1 1 mM, 2 500 μM, 3 250 μM, 4 100 μM. a Carter and Fairlamb [41]; b De Koning et al. [34]; c De Koning and Jarvis [44]; d Sanchez et al. [39]; e Al-Salabi et al. [40]); f Ortiz et al. [96]; g Burchmore et al. [70]. Data for T. congolense (Tco) and T. vivax (Tvx) transporters were from this study. NE, no effect at the stated concentration.