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

J

181

3.93

Translation, ribosomal structure and biogenesis

A

0

0

RNA processing and modification

K

310

6.72

Transcription

L

169

3.67

Replication, recombination and repair

B

1

0.02

Chromatin structure and dynamics

D

39

0.85

Cell cycle control, mitosis and meiosis

Y

0

0

Nuclear structure

V

71

1.54

Defense mechanisms

T

193

4.19

Signal transduction mechanisms

M

197

4.27

Cell wall/membrane biogenesis

N

67

1.45

Cell motility

Z

0

0

Cytoskeleton

W

0

0

Extracellular structures

U

49

1.06

Intracellular trafficking and secretion

O

114

2.47

Posttranslational modification, protein turnover, chaperones

C

184

3.99

Energy production and conversion

G

349

7.57

Carbohydrate transport and metabolism

E

412

8.94

Amino acid transport and metabolism

F

97

2.10

Nucleotide transport and metabolism

H

121

2.62

Coenzyme transport and metabolism

I

150

3.25

Lipid transport and metabolism

P

245

5.31

Inorganic ion transport and metabolism

Q

100

2.17

Secondary metabolites biosynthesis, transport and catabolism

R

594

12.89

General function prediction only

S

361

7.83

Function unknown

-

606

13.15

Not in COGs