TABLE 4.
Transporter | Basal activity (nmol Pi/min/mg of protein) in: |
|
---|---|---|
Detergent | Proteoliposomes | |
EfrAB | 3,689 ± 61 | 939 ± 76 |
EfrCD | 2,329 ± 130 | 549 ± 66 |
EfrEF | 805 ± 11 | 146 ± 14 |
EF0942/41 | 578 ± 9 | 1,663 ± 137 |
EF1592/93a | −0.3 ± 2.4 | NDb |
EF1733/32 | 348 ± 4 | ND |
EF2593/92 | 12,146 ± 536 | ND |
This purified transporter had no measurable ATPase activity.
ND, not determined.