Table 1. Statistical parameters of CoMFA models for various sets of arguments (example from SYBYL, table JACS, 21 steroids).

N

q2

n

r2

SE

F

Relative contribution of variably

HD

HA

STER

ELEC

DA_S

1

0.416

1

0.598

0.764

29.21

1.0

 

 

 

 

2

0.646

2

0.893

0.405

75.05

 

1.0

 

 

 

3

0.685

3

0.922

0.356

66.56

 

 

1.0

 

 

4

0.688

3

0.919

0.363

64.15

 

 

 

1.0

 

5

0.687

3

0.940

0.312

88.63

 

 

 

 

1.0

6

0.688

2

0.915

0.361

96.77

0.314

0.686

 

 

 

7

0.715

3

0.942

0.308

91.32

 

 

0.289

0.711

 

8

0.726

3

0.952

0.279

112.42

 

 

0.099

0.243

0.658

9

0.763

3

0.962

0.247

144.27

0.325

0.357

0.093

0.225

 

Notes: HD – donor molecular field HYBOT 3D MF

HA – acceptor molecular field HYBOT 3D MF

STER – steric molecular field SYBYL

ELEC –electrostatic molecular field SYBYL

DA_S –donor and acceptor molecular field SYBYL