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Table 3 Boltzmann equation parameters of zebrafish PepT1a (Slc15a1a), compared to zebrafish PepT1b (Slc15a1b) and rabbit PepT1 (Slc15a1)

From: The peptide transporter 1a of the zebrafish Danio rerio, an emerging model in nutrigenomics and nutrition research: molecular characterization, functional properties, and expression analysis

 

Zebrafish PepT1a

Zebrafish PepT1b

Rabbit PepT1

pH

6.5

7.6

6.5

7.5

6.5

7.5

Qmax (nC)

41 ± 0.7

53 ± 0.6

11 ± 0.3

9.9 ± 1.1

33.2 ± 1.9

31.5 ± 1.2

V0.5 (mV)

− 57.6 ± 0.6

− 110 ± 0.7

− 108 ± 1.6

− 119 ± 7.2

− 41.4 ± 2.5

− 100 ± 2.3

σ (mV)

33.6 ± 0.8

39.3 ± 0.4

31.1 ± 0.9

33.5 ± 3.3

42.9 ± 3.1

39.5 ± 1.7

  1. Boltzmann equation parameters were calculated at two pH conditions: 6.5 and 7.6 for zebrafish PepT1a (data from Fig. 5) and 6.5 and 7.5 for zebrafish PepT1b and rabbit PepT1 (data from [28]). Qmax, the maximal moveable charge; V0.5, the voltage at which half of the charge is moved; σ, slope factor of sigmoidal curve