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

J

149

3.09

Translation

A

0

-

RNA processing and modification

K

261

5.14

Transcription

L

130

2.69

Replication, recombination and repair

B

0

-

Chromatin structure and dynamics

D

22

0.46

Cell cycle control, mitosis and meiosis

Y

0

-

Nuclear structure

V

61

1.26

Defense mechanisms

T

217

4.49

Signal transduction mechanisms

M

288

5.97

Cell wall/membrane biogenesis

N

12

0.25

Cell motility

Z

1

0.02

Cytoskeleton

W

0

-

Extracellular structures

U

52

1.08

Intracellular trafficking and secretion

O

109

2.26

Posttranslational modification, protein turnover, chaperones

C

201

4.16

Energy production and conversion

G

269

5.57

Carbohydrate transport and metabolism

E

233

4.83

Amino acid transport and metabolism

F

73

1.51

Nucleotide transport and metabolism

H

182

3.77

Coenzyme transport and metabolism

I

132

2.73

Lipid transport and metabolism

P

259

5.36

Inorganic ion transport and metabolism

Q

84

1.74

Secondary metabolites biosynthesis, transport and catabolism

R

410

8.49

General function prediction only

S

261

5.41

Function unknown

-

1422

29.45

Not in COGs