Table 4 Number of genes associated with the 25 general COG functional categories

J

200

2.43

Translation

A

21

0.26

RNA processing and modification

K

136

1.65

Transcription

L

208

2.53

Replication, recombination and repair

B

28

0.34

Chromatin structure and dynamics

D

172

2.09

Cell cycle control, mitosis and meiosis

Y

4

0.05

Nuclear structure

V

63

0.77

Defense mechanisms

T

122

1.48

Signal transduction mechanisms

M

142

1.73

Cell wall/membrane biogenesis

N

19

0.23

Cell motility

Z

24

0.29

Cytoskeleton

W

–

–

Extracellular structures

U

70

0.85

Intracellular trafficking and secretion

O

295

3.59

Posttranslational modification, protein turnover, chaperones

C

240

2.92

Energy production and conversion

G

249

3.03

Carbohydrate transport and metabolism

E

270

3.28

Amino acid transport and metabolism

F

58

0.71

Nucleotide transport and metabolism

H

134

1.63

Coenzyme transport and metabolism

I

217

2.64

Lipid transport and metabolism

P

144

1.75

Inorganic ion transport and metabolism

Q

117

1.42

Secondary metabolites biosynthesis, transport and catabolism

R

622

7.57

General function prediction only

S

110

1.34

Function unknown

–

4555

55.41

Not in COGs