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

J

163

8.53

Translation

A

5

0.26

RNA processing and modification

K

112

5.86

Transcription

L

100

5.23

Replication, recombination and repair

B

4

0.21

Chromatin structure and dynamics

D

22

1.15

Cell cycle control, mitosis and meiosis

Y

NA

Nuclear structure

V

15

0.78

Defense mechanisms

T

45

2.35

Signal transduction mechanisms

M

47

2.46

Cell wall/membrane biogenesis

N

4

0.21

Cell motility

Z

1

0.05

Cytoskeleton

W

NA

Extracellular structures

U

22

1.15

Intracellular trafficking and secretion

O

87

4.55

Post-translational modification, protein turnover, chaperones

C

182

9.52

Energy production and conversion

G

82

4.29

Carbohydrate transport and metabolism

E

159

8.32

Amino acid transport and metabolism

F

58

3.04

Nucleotide transport and metabolism

H

115

6.02

Coenzyme transport and metabolism

I

60

3.14

Lipid transport and metabolism

P

83

4.34

Inorganic ion transport and metabolism

Q

26

1.36

Secondary metabolites biosynthesis, transport and catabolism

R

323

16.90

General function prediction only

S

196

10.26

Function unknown

-

1144

Not in COGs