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Table 3 Distribution of haloarchaeal protein clusters (HOGs) among functional categories†.

From: The core and unique proteins of haloarchaea

 

No. of Genomes

 

2

3

4

5

6

7

8

9

no COG

1276

650

375

215

164

140

168

89

Information Transfer and Storage

20

13

12

14

10

11

31

217

   Translation, ribosomal structure and biogenesis

2

4

2

2

1

4

10

108

   RNA processing and modification

   

1

    

   Transcription

7

5

4

6

3

5

10

49

   Replication, recombination and repair

11

4

6

5

6

2

11

57

   Chromatin structure and dynamics

       

3

Cellular Processes and signaling

26

17

18

7

11

15

45

89

   Cell cycle control, cell division, chromosome partitioning

4

1

 

1

 

2

3

4

   Defense mechanisms

6

2

2

1

 

2

1

5

   Signal transduction mechanisms

7

2

7

2

2

2

8

8

   Cell wall/membrane/envelope biogenesis

5

7

3

 

2

1

11

13

   Cell motility

2

2

3

 

2

2

12

1

   Intracellular trafficking, secretion, and vesicular transport

 

1

 

1

 

1

6

14

   Posttranslational modification, protein turnover, assembly

2

2

3

2

5

5

4

44

Metabolism

26

28

25

26

57

74

94

283

   Energy production and conversion

3

4

9

6

7

12

20

51

   Carbohydrate transport and metabolism

7

 

2

5

3

3

12

17

   Amino acid transport and metabolism

7

10

8

5

13

13

12

66

   Nucleotide transport and metabolism

1

2

1

1

 

3

3

46

   Coenzyme transport and metabolism

2

   

4

10

24

51

   Lipid transport and metabolism

1

2

 

2

8

14

9

16

   Inorganic ion transport and metabolism

4

7

3

5

18

16

11

22

   Secondary metabolites biosynthesis, transport and catabolism

1

3

2

2

4

3

3

14

Poorly characterized

18

17

17

20

26

32

52

190

   General function prediction only

11

9

12

16

17

22

36

114

   Function unknown

7

8

5

4

9

10

16

76

  1. †- Several HOGs were associated with one or more COG and all functional categories were tabulated.
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BMC Genomics

ISSN: 1471-2164

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