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

J

154

8.41

Translation, ribosomal structure and biogenesis

A

-

-

RNA processing and modification

K

70

3.82

Transcription

L

78

4.25

Replication, recombination and repair

B

3

0.16

Chromatin structure and dynamics

D

40

2.18

Cell cycle control, mitosis and meiosis

Y

-

-

Nuclear structure

V

33

1.80

Defense mechanisms

T

71

3.87

Signal transduction mechanisms

M

135

7.37

Cell wall/membrane biogenesis

N

70

3.82

Cell motility

Z

-

-

Cytoskeleton

W

-

-

Extracellular structures

U

67

3.66

Intracellular trafficking and secretion

O

92

5.02

Posttranslational modification, protein turnover, chaperones

C

158

8.63

Energy production and conversion

G

77

4.20

Carbohydrate transport and metabolism

E

155

8.46

Amino acid transport and metabolism

F

72

3.93

Nucleotide transport and metabolism

H

120

6.55

Coenzyme transport and metabolism

I

46

2.51

Lipid transport and metabolism

P

102

5.57

Inorganic ion transport and metabolism

Q

38

2.08

Secondary metabolites biosynthesis, transport and catabolism

R

220

12.02

General function prediction only

S

92

5.03

Function unknown

-

412

22.50

Not in COGs