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

J

186

4.4

Translation, ribosomal structure and biogenesis

A

3

0.1

RNA processing and modification

K

279

6.6

Transcription

L

250

5.9

Replication, recombination and repair

B

4

0.1

Chromatin structure and dynamics

D

35

0.8

Cell cycle control, cell division, chromosome partitioning

Y

0

0.0

Nuclear structure

V

34

0.8

Defense mechanisms

T

176

4.2

Signal transduction mechanisms

M

223

5.3

Cell wall/membrane/envelope biogenesis

N

27*

0.6

Cell motility

Z

0

0.0

Cytoskeleton

W

0

0.0

Extracellular structures

U

51

1.2

Intracellular trafficking and secretion, and vesicular transport

O

148

3.5

Posttranslational modification, protein turnover, chaperones

C

251

6.0

Energy production and conversion

G

453

10.7

Carbohydrate transport and metabolism

E

478

11.3

Amino acid transport and metabolism

F

94

2.2

Nucleotide transport and metabolism

H

152

3.6

Coenzyme transport and metabolism

I

143

3.4

Lipid transport and metabolism

P

182

4.3

Inorganic ion transport and metabolism

Q

124

2.9

Secondary metabolites biosynthesis, transport and catabolism

R

508

12.0

General function prediction only

S

421

10.0

Function unknown

-

1,320

25.7

Not in COGs