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

J

176

4.1

Translation, ribosomal structure and biogenesis

A

3

0.1

RNA processing and modification

K

370

8.7

Transcription

L

213

5.4

Replication, recombination and repair

B

2

0.1

Chromatin structure and dynamics

D

35

0.8

Cell cycle control, cell division, chromosome partitioning

Y

0

0.0

Nuclear structure

V

93

2.2

Defense mechanisms

T

393

9.2

Signal transduction mechanisms

M

261

6.1

Cell wall/membrane/envelope biogenesis

N

14

0.3

Cell motility

Z

0

0.0

Cytoskeleton

W

0

0.0

Extracellular structures

U

56

1.3

Intracellular trafficking and secretion, and vesicular transport

O

142

3.3

Posttranslational modification, protein turnover, chaperones

C

205

4.8

Energy production and conversion

G

276

6.5

Carbohydrate transport and metabolism

E

307

7.2

Amino acid transport and metabolism

F

92

2.2

Nucleotide transport and metabolism

H

174

4.1

Coenzyme transport and metabolism

I

128

3.0

Lipid transport and metabolism

P

172

4.0

Inorganic ion transport and metabolism

Q

143

3.4

Secondary metabolites biosynthesis, transport and catabolism*

R

647

15.1

General function prediction only

S

349

8.2

Function unknown

-

1,823

32.2

Not in COGs