Table 3 Putative transporters in Cryptosporidium spp. and other common apicomplexan parasites^a

Hexose

2

2

2

2

2

5

Triose phosphate

Plasma/Apicoplast membrane

8

5

8

8

4

4

Amino acids

Plasma membrane

10

10

10

12

1

6

Nucleobase/nucleoside

Plasma membrane

1

1

1

1

4

4

Nucleotide-sugar

Plasma membrane

3

3

3

2

1

4

Folate/pterine

Plasma membrane

1

1

1

1

2

7

Formate/nitrite

0

0

0

0

1

3

GABA (aminobutanoate)

Plasma/Mitochondrial membrane

0

0

0

0

2

5

Acetyl-CoA

1

0

1

1

1

1

Chloride

0

0

0

0

0

2

Inorganic phosphate

0

0

0

0

1

1

Sulfate

1

1

1

1

1

4

Sodium/potassium/calcium

2

2

2

3

0

9

Zinc

2

2

2

2

2

4

Copper

1

1

1

1

2

3

Choline

Plasma membrane

0

0

0

0

1

2

Cadmium/zinc/cobalt (efflux)

Plasma membrane

1

1

1

1

1

1

Glycerol/water

Plasma membrane

0

0

0

0

2

2

ABC transporter^b

Plasma membrane

21

18

21

21

16

24

Mitochondrial carrier^b

Mitochondrial membrane

9

7

6

13

14

21