Table 5

Classification of ABC transporters of Rlv3841 compared to those of S. meliloti 1021

Family

R. leguminosarum

S. meliloti


ABC genes

Complete systems

ABC genes

Complete systems


Uptake systems

CUT1

46

36

29

26

CUT2

35

29

37

37

FeCT

5

3

5

5

FeT

2

2

1

1

HAAT

22

11

10

5

MolT

1

1

1

1

MZT

3

3

2

2

NitT

11

5

4

4

PAAT

16

13

16

13

PepT

49

30

33

25

PhnT

3

1

1

1

PhoT

2

2

1

1

POPT

8

7

12

12

QAT

6

5

5

4

SulT

1

1

2

1

TauT

0

0

1

1

ThiT

2

0

1

1

Unclassified

26

13

18

6

Efflux systems

Export

31

21

21

18

Total

269

183

200

164


Families are defined according to Saier [93]. Complete uptake systems possess at least one solute binding protein, one ATP-binding cassette (ABC), and one integral membrane protein. Complete export systems need only possess one ABC and one integral membrane protein.

Young et al. Genome Biology 2006 7:R34   doi:10.1186/gb-2006-7-4-r34

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