Table 4. Percentage of genes associated with the 25 general COG functional categories in two assembled metagenomes from hydrocarbon-enriched environments

J

5.71

Translation, ribosomal structure and biogenesis

A

0.06

RNA processing and modification

K

5.41

Transcription

L

6.3

Replication, recombination and repair

B

0.08

Chromatin structure and dynamics

D

1.1

Cell cycle control, cell division, chromosome partitioning

Y

<0.01

Nuclear structure

V

2.13

Defense mechanisms

T

5.54

Signal transduction mechanisms

M

6.28

Cell wall/membrane/envelope biogenesis

N

1.31

Cell motility

Z

0.02

Cytoskeleton

W

<0.01

Extracellular structures

U

2.34

Intracellular trafficking, secretion, and vesicular transport

O

4.12

Posttranslational modification, protein turnover, chaperones

C

8.16

Energy production and conversion

G

5.16

Carbohydrate transport and metabolism

E

8.82

Amino acid transport and metabolism

F

2.66

Nucleotide transport and metabolism

H

4.2

Coenzyme transport and metabolism

I

3.6

Lipid transport and metabolism

P

5.05

Inorganic ion transport and metabolism

Q

1.88

Secondary metabolites biosynthesis, transport and catabolism

R

12.12

General function prediction only

S

7.95

Function unknown