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

J

161

9.7

Translation

A

2

0.1

RNA processing and modification

K

59

3.5

Transcription

L

72

4.3

Replication, recombination and repair

B

2

0.1

Chromatin structure and dynamics

D

7

0.4

Cell cycle control, mitosis and meiosis

Y

0

0.0

Nuclear structure

V

18

1.1

Defense mechanisms

T

20

1.2

Signal transduction mechanisms

M

39

2.3

Cell wall/membrane biogenesis

N

4

0.2

Cell motility

Z

0

0.0

Cytoskeleton

W

0

0.0

Extracellular structures

U

11

0.7

Intracellular trafficking and secretion

O

49

2.9

Posttranslational modification, protein turnover, chaperones

C

79

4.7

Energy production and conversion

G

79

4.7

Carbohydrate transport and metabolism

E

73

4.4

Amino acid transport and metabolism

F

44

2.6

Nucleotide transport and metabolism

H

53

3.2

Coenzyme transport and metabolism

I

15

0.9

Lipid transport and metabolism

P

67

4.0

Inorganic ion transport and metabolism

Q

5

0.3

Secondary metabolites biosynthesis, transport and catabolism

R

194

11.6

General function prediction only

S

116

7.0

Function unknown

-

575

34.5

Not in COGs