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Table 3 Current annotations and predicted substrates of the PTS transporters in L. gasseri ATCC 33323

From: The PTS transporters of Lactobacillus gasseri ATCC 33323

PTS

ORF

Current annotation

Predicted Function

TCDB Family[40]

1B

117

PTS, mannose/fructose/N-acetylgalactosamine-specific component IIB

 

4.A.6

1C

118

PTS, mannose/fructose/N-acetylgalactosamine-specific component IIC

  

1D

119

PTS, mannose/fructose/N-acetylgalactosamine-specific component IID

  

1A

120

PTS, mannose/fructose-specific component IIA

  

2A

125

Phosphotransferase system galacitol-specific IIA domain (Ntr-type)

 

4.A.6

3BCA

149

PTS fructose-specific component IIB

 

4.A.2

4C

187

Cellobiose-specific PTS system IIC component

 

4.A.3

5A

192

Cellobiose-specific PTS system IIA component

 

4.A.3

5B

194

Cellobiose-specific PTS system IIB component

  

5C

195

Cellobiose-specific PTS system IIC component

  

6A

342

Cellobiose-specific PTS system IIA component

Lactose b,c,d; Galactose c

4.A.3

6CB

343

Cellobiose-specific PTS system IIC component

  

7BCA

398

Sucrose PTS, EIIBCA

 

4.A.1

8A

495

PTS, galacitol-specific IIA domain (Ntr-type)

Lactose c; Galactose c

4.A.5

8B

496

PTS, galacitol-specific IIB component

  

8C

497

Galactitol PTS, EIIC

  

9A

500

Cellobiose-specific PTS system IIA component

 

4.A.3

9CB

501

Cellobiose-specific PTS system IIC component

  

10B

514

PTS, mannose/fructose/N-acetylgalactosamine-specific component IIB

Galactose c

4.A.6

10C

515

PTS, mannose/fructose/N-acetylgalactosamine-specific component IIC

  

10D

516

PTS, mannose/fructose/N-acetylgalactosamine-specific component IID

  

10A

517

PTS, mannose/fructose-specific component IIA

  

11ABC

535

Beta-glucoside-specific PTS system IIABC component

Trehalose a

4.A.1

12C

570

Cellobiose-specific PTS system IIC component

 

4.A.3

13A

1348

Glucitol/sorbitol PTS, EIIA

 

--

14C

1430

Cellobiose-specific PTS system IIC component

 

4.A.3

15BCA

1669

Trehalose PTS trehalose component IIBC

Cellobiose c,d; β-glucosides a; Galactose c

4.A.1

16C

1676

Cellobiose-specific PTS system IIC component

 

4.A.3

17CBA

1688

N-acetylglucosamine and glucose PTS, EIICBA

 

4.A.1

18ABC

1726

Fusion of IIA, IIB and IIC component of mannitol/fructose-specific PTS

Fructose b

4.A.2

19BCA

1755

Beta-glucosides PTS, EIIBCA

 

4.A.1

20BCA

1778

Sucrose PTS, EIIBCA

Sucrose b,c,d

4.A.1

21D

1793

Mannose-specific PTS system component IID

Glucose a; Mannose a,d

4.A.6

21C

1794

Mannose-specific PTS system component IIC

  

21AB

1795

PTS, mannose/fructose-specific component IIAB

  

22C

1811

Cellobiose-specific PTS system IIC component

 

4.A.3

23C

1835

Galacitol PTS, EIIC

 

4.A.5

24C

1836

Galacitol PTS, EIIC

 

4.A.5

25C

1851

Cellobiose-specific PTS system IIC component

 

4.A.3

  1. The superscripts for the predicted functions indicate the following: a -- homology to characterized PTS transporters in other species; b -- homology to PTS transporters that are induced by a particular carbohydrate(s) in other species; c -- PTS transporters that are induced by a particular carbohydrate in L. gasseri ATCC 33323; and d -- characterization in L. gasseri ATCC 33323. The TCDB family names are categorized as follows: 4.A.1 -- PTS glucose-glucoside (GLC); 4.A.2 -- PTS fructose-mannitol (FRU); 4.A.3 -- PTS Lactose-N,N'-Diacetylchitobiose-β-glucoside (LAC); 4.A.5 -- PTS Galactitol (GAT); and 4.A.6 -- PTS Mannose-Fructose-Sorbose (MAN) [40].