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Table 2 The original values of the seven physicochemical properties for each amino acid

From: Predicting protein-protein interactions using high-quality non-interacting pairs

Code

H 1

H 2

V

P 1

P 2

SASA

NCI

A

0.62

-0.5

27.5

8.1

0.046

1.181

0.007187

C

0.29

-1

44.6

5.5

0.128

1.461

-0.03661

D

-0.9

3

40

13

0.105

1.587

-0.02382

E

-0.74

3

62

12.3

0.151

1.862

0.006802

F

1.19

-2.5

115.5

5.2

0.29

2.228

0.037552

G

0.48

0

0

9

0

0.881

0.179052

H

-0.4

-0.5

79

10.4

0.23

2.025

-0.01069

I

1.38

-1.8

93.5

5.2

0.186

1.81

0.021631

K

-1.5

3

100

11.3

0.219

2.258

0.017708

L

1.06

-1.8

93.5

4.9

0.186

1.931

0.051672

M

0.64

-1.3

94.1

5.7

0.221

2.034

0.002683

N

-0.78

2

58.7

11.6

0.134

1.655

0.005392

P

0.12

0

41.9

8

0.131

1.468

0.239531

Q

-0.85

0.2

80.7

10.5

0.18

1.932

0.049211

R

-2.53

3

105

10.5

0.291

2.56

0.043587

S

-0.18

0.3

29.3

9.2

0.062

1.298

0.004627

T

-0.05

-0.4

51.3

8.6

0.108

1.525

0.003352

V

1.08

-1.5

71.5

5.9

0.14

1.645

0.057004

W

0.81

-3.4

145.5

5.4

0.409

2.663

0.037977

Y

0.26

-2.3

117.3

6.2

0.298

2.368

0.023599

  1. H1: hydrophobicity; H2: hydrophilicity; V: volume of side chains; P1: polarity; P2: polarizability; SASA: solvent accessible surface area; NCI: net charge index of side chains