Table 4 Hydraulic conductivity (L_p) and ethylene glycol permeability (P_EG) of X. laevis oocytes expressing wild-type (WT) DrAqp3b, two DrAqp3b mutants or HsAQP3, in hypertonic ethylene glycol solution

Water

0.36 ± 0.02 ^a

0.47 ± 0.03 ^a

DrAqp3b-WT (1 ng)

2.15 ± 0.14 ^c

17.59 ± 0.83 ^d

DrAqp3b-H53A/G54H/T85A (1 ng)

1.55 ± 0.13 ^b

13.06 ± 0.72 ^c

DrAqp3b-T85A (1 ng)

2.64 ± 0.15 ^d

25.49 ± 1.56 ^e

HsAQP3 (1 ng)

1.31 ± 0.08 ^b

10.73 ± 0.59 ^b

DrAqp3b-WT (20 ng)

2.63 ± 0.07 ^d

40.06 ± 1.22 ^c

DrAqp3b-H53A/G54H/T85A (20 ng)

2.27 ± 0.07 ^c

36.58 ± 1.74 ^c

DrAqp3b-T85A (20 ng)

3.24 ± 0.08 ^e

53.91 ± 2.55 ^d

HsAQP3 (20 ng)

1.96 ± 0.08 ^b

22.24 ± 0.95 ^b