Table 1

Amino acid occurrence in the BACTIBASE database

Amino acid

Number of residues

% of total residues

G (glycine)

717

15.03

A (alanine)

491

10.29

K (lysine)

360

7.55

S (serine)

343

7.19

V (valine)

299

6.27

N (asparagine)

295

6.18

T (threonine)

292

6.12

I (isoleucine)

270

5.66

C (cysteine)

254

5.32

L (leucine)

253

5.30

W (tryptophan)

160

3.35

Y (tryrosine)

159

3.33

F (phenylalanine)

149

3.12

P (proline)

130

2.73

Q (glutamine)

107

2.24

H (histidine)

101

2.12

E (glutamic acid)

100

2.10

D (aspartic acid)

99

2.08

R (arginine)

95

1.99

M (methionine)

80

1.68

X (variable)

16

0.34

Hammami et al. BMC Microbiology 2007 7:89   doi:10.1186/1471-2180-7-89