Table 2

Amino acid profile classes

Class

Sidechain characteristics

Abundance

A

C

D

E

F

G

H

I

K

L

M

N

P

Q

R

S

T

V

W

Y

1

Pos. charge

0.1710

.04

.00

.01

.05

.01

.01

.01

.01

.26

.03

.01

.01

.01

.15

.29

.02

.02

.02

.00

.01

2

Small polar

0.1275

.14

.00

.01

.03

.01

.02

.00

.03

.04

.03

.01

.03

.01

.02

.02

.25

.28

.07

.00

.01

3

Ambiguous

0.0030

.06

.06

.03

.10

.00

.04

.03

.02

.05

.06

.06

.02

.06

.10

.05

.06

.07

.05

.08

.00

4

Cysteine

0.0603

.16

.36

.01

.01

.01

.06

.01

.02

.01

.03

.01

.02

.02

.01

.02

.09

.07

.06

.00

.01

5

Aromatic

0.0532

.03

.01

.02

.02

.08

.03

.03

.01

.02

.03

.01

.02

.01

.02

.03

.03

.02

.02

.46

.10

6

Glyc or Pro

0.1441

.18

.00

.02

.02

.00

.34

.01

.01

.03

.01

.00

.01

.24

.01

.02

.05

.02

.01

.00

.00

7

Neg. charge

0.1415

.05

.00

.21

.21

.01

.06

.02

.01

.07

.02

.00

.14

.02

.05

.03

.06

.03

.01

.00

.01

8

Aliphatic

0.2137

.05

.01

.01

.01

.11

.01

.00

.16

.01

.24

.06

.01

.01

.01

.01

.01

.02

.17

.01

.08

9

Large polar

0.0857

.04

.00

.01

.02

.05

.02

.43

.01

.03

.03

.01

.04

.01

.04

.04

.04

.03

.02

.00

.11

Bystroff and Webb-Robertson BMC Bioinformatics 2008 9:429   doi:10.1186/1471-2105-9-429