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

J

184

4.37

Translation

A

1

0.02

RNA processing and modification

K

360

8.54

Transcription

L

155

3.68

Replication, recombination and repair

B

0

0

Chromatin structure and dynamics

D

33

0.78

Cell cycle control, mitosis and meiosis

Y

0

0

Nuclear structure

V

48

1.14

Defense mechanisms

T

219

5.20

Signal transduction mechanisms

M

239

5.67

Cell wall/membrane biogenesis

N

138

3.27

Cell motility

Z

0

0

Cytoskeleton

W

1

0.02

Extracellular structures

U

150

3.56

Intracellular trafficking and secretion

O

140

3.32

Posttranslational modification, protein turnover, chaperones

C

275

6.52

Energy production and conversion

G

432

10.25

Carbohydrate transport and metabolism

E

415

9.85

Amino acid transport and metabolism

F

98

2.33

Nucleotide transport and metabolism

H

176

4.18

Coenzyme transport and metabolism

I

108

2.56

Lipid transport and metabolism

P

235

5.58

Inorganic ion transport and metabolism

Q

85

2.02

Secondary metabolites biosynthesis, transport and catabolism

R

409

9.70

General function prediction only

S

314

7.45

Function unknown

-

813

17.84

Not in COGs