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Table 1 Proteins identified by MALDI TOF/TOF MS from transgenic cotton leaves

From: Comparative proteomics of Bt-transgenic and non-transgenic cotton leaves

Spot no a.

GI no. b

Function category protein name

Plant species

Exper. c pI/Mr

Thero. d pI/Mr

M P e

SC% f

M. S. g

Relative change (WT/BT) h

Posttranslational modification, protein turnover, chaperones (O)

1

255556934

ATPase

R. communis

5.49/90

5.13/90.1

11

21

324

7

147819511

Hypothetical protein

V. vinifera

4.86/72

5.20/61.4

5

10

256

9

225433375

Chaperonin

V. vinifera

5.40/63

5.85/61.7

6

14

204

16

12620883

Rubisco activase

G. hirsutum

4.99/49

5.06/48.6

13

41

822

27

14594915

Proteasome subunit

N. tabacum

5.77/27

6.12/18.2

3

32

113

Carbohydrate transport and metabolism (G)

2

110224784

Transketolase

P. acerifolia

5.73/76

6.25/26.0

2

11

82

3

255541252

Transketolase

R. communis

5.80/76

6.52/81.6

5

8

277

4

255541252

Transketolase

R. communis

5.95/76

6.52/81.6

5

8

262

5

255541252

Transketolase

R. communis

5.89/76

6.52/81.6

6

10

404

6

255541252

Transketolase

R. communis

6.05/76

6.52/81.6

6

11

337

8

3560664

Rubisco

C. ensifolium

5.73/66

6.4/49.7

5

13

211

14

11230404

Rubisco, large subunit

C. Pettersson

5.96/53

5.96/52.9

12

40

998

15

33415263

Enolase

G. hirsutum

5.69/49

6.16/47.9

11

36

502

22

329317332

Rubisco, large subunit

G. barbadense

6.20/35

6.00/53.7

5

16

326

24

449442663

Phosphoglycolate phosphatase

C. sativus

5.58/32

6.47/41.7

8

26

442

26

1881499

Rubisco, large subunit

P. pendula

6.24/30

6.61/52.6

9

22

366

32

548699

Rubisco, large chain

(−)

6.40/19

6.12/52.6

4

9

104

Energy production and conversion (C)

10

40850676

Betaine-aldehyde dehydrogenase

G. hirsutum

5.43/63

5.6/55.4

5

12

124

11

91208909

ATP synthase, beta subunit

G. hirsutum

5.33/59

5.22/53.6

13

42

939

20

225451308

Auxin-induced protein

V. vinifera

6.09/39

5.96/37.9

1

3

55

33

315364830

Ion-sulfur protein

C. lanatus

6.54/19

8.45/24.6

3

18

231

Cytoskeleton (Z)

17

281485191

actin

P. americana

5.34/44

5.31/41.9

12

46

984

Amino acid transport and metabolism (E)

18

211906462

Glutamine synthase

G. hirsutum

5.80/43

5.77/39.4

5

16

160

Coenzyme transport and metabolism (H)

19

449433772

Magnesium-chelatase subunit

C. sativus

4.98/40

5.72/46.0

5

15

150

21

255558669

Porphobilinogen deaminase

R. communis

6.07/38

6.55/40.3

3

10

50

Inorganic ion transport and metabolism (P)

23

225431122

Ferredoxin--NADP reductase

V. vinifera

6.46/34

8.91/40.8

7

22

270

Cell envelope biogenesis, outer membrane (M)

25

292668595

Sanguinarine reductase

E. californica

5.18/29

4.97/29.6

2

6

104

Nucleotide transport and metabolism (F)

34

225457446

Nucleoside diphosphate kinase,

V. vinifera

6.41/18

9.28/26.0

3

13

147

No related to COG (NO)

12

255558986

Hypothetical protein

R. communis

5.39/58

8.23/54.9

2

2

69

13

255558986

Hypothetical protein

R. communis

5.55/59

8.23/54.9

2

2

53

28

226358407

Chlorophyll binding protein

G. hirsutum

5.30/27

5.53/25.6

3

20

166

29

118489712

Unknown

P. trichocarpa

4.73/26

4.77/24.4

3

9

156

30

147767601

Hypothetical protein

V. vinifera

5.23/42

8.46/25.5

2

11

59

31

302595736

Oxygen-evolving enhancer protein

(−)

6.26/22

8.67/28.2

3

9

215

35

211906510

Major latex-like protein

G. hirsutum

5.38/17

5.46/17.2

3

27

116

  1. aAssigned spot number as indicated in Figure 2.
  2. bDatabase GI numbers according to NCBInr.
  3. c,d The experimental (c) and theoretical (d) mass (kDa) and pI of the identified proteins.
  4. eNumber of the matched peptides (MP).
  5. fThe amino acid sequence coverage (SC) for the identified proteins.
  6. gThe Mascot searched score (M. S.) against the database NCBInr.
  7. hThe relatively changed ratios of protein amount on different 2-D gels.