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

J

224

3.6

Translation, ribosomal structure and biogenesis

A

RNA processing and modification

K

663

10.6

Transcription

L

152

3.2

Replication, recombination and repair

B

2

0.03

Chromatin structure and dynamics

D

213

3.4

Cell cycle control, cell division, chromosome partitioning

Y

Nuclear structure

V

244

3.9

Defense mechanisms

T

480

7.7

Signal transduction mechanisms

M

440

7.0

Cell wall/membrane/envelope biogenesis

N

130

2.1

Cell motility

Z

5

0.1

Cytoskeleton

W

0

0.0

Extracellular structures

U

41

0.7

Intracellular trafficking, secretion, and vesicular transport

O

331

5.3

Posttranslational modification, protein turnover, chaperones

C

415

6.6

Energy production and conversion

G

1,030

16.5

Carbohydrate transport and metabolism

E

788

12.6

Amino acid transport and metabolism

F

244

3.9

Nucleotide transport and metabolism

H

373

6.0

Coenzyme transport and metabolism

I

88

1.4

Lipid transport and metabolism

P

559

9.0

Inorganic ion transport and metabolism

Q

283

4.5

Secondary metabolites biosynthesis, transport and catabolism

R

872

14.0

General function prediction only

S

371

6.0

Function unknown

-

0

0.0

Not in COGs