Table 3 Results of fitting Black & Leff equations to the model of the system with a similar expression of receptor and effector ([RT]≈[GT]). Black & Leff (Eq. (7)) and Hill (Eq. (10)) equations were fitted to model data with EMAX fixed to 1 or E’MAX confined <  = 1, respectively.

From: A critical re-evaluation of the slope factor of the operational model of agonism: When to exponentiate operational efficacy

Model Eqs. 1 and 22

 

Black & Leff

Hill

τ

pKA

n

τ

τn

pKA

E’MAX

nH

pEC50

E’MAX

τ

pKA

1000

7.00

1.91

6701

2.03.107

4.50

1.00

1.89

8.32

1.00

CNBD

CNBD

100

7.00

1.54

36.2

251

6.68

0.996

1.52

8.23

0.991

108

6.19

33.3

7.00

1.35

13.6

33.9

6.98

0.971

1.29

8.10

0.968

30.1

6.61

10

7.00

1.15

6.94

9.28

6.98

0.903

1.11

7.84

0.900

9.04

6.84

3.33

7.00

1.05

2.93

3.09

6.98

0.756

1.03

7.55

0.755

3.08

6.94

  1. CNBD cannot be determined.