Table 2 Substrate-mediated inhibition of Pdr5 ATPase activity and substrate partition coefficient.

From: In vitro NTPase activity of highly purified Pdr5, a major yeast ABC multidrug transporter

 

Purified Pdr5

Pdr5 in plasma membranea

Ki, detergent: Ki, PM

Partition coefficient

Substrate

Ki [µM]

Ki [µM]

 

logP

Rhodamin 6 G

3.2 ± 0.2

0.6 ± 0.1

5.3

6.52

Ketoconazol

22.73 ± 2.1

5.4 ± 0.8

4.2

4.06

  1. aTaken from25.