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Table 1 Proteins identified in pellicle, GCF, and saliva samples

From: Comparison of protein profiles of the pellicle, gingival crevicular fluid, and saliva: possible origin of pellicle proteins

No

Accession number

Score

%Cov

Name

Peptides (95%)

1

P02768

132.13

85.1

Serum albumin

160

2

P19013

124.83

88

Keratin, type II cytoskeletal 4

148

3

P13646

118.77

78.6

Keratin, type I cytoskeletal 13

186

4

P02538

112.25

71.8

Keratin, type II cytoskeletal 6A

118

5

P02788

93.78

76.3

Lactotransferrin

65

6

P01833

84.02

59.4

Polymeric immunoglobulin receptor

90

7

P04745

79.37

81.2

Alpha-amylase 1

129

8

P15924

77.69

33.2

Desmoplakin

44

9

P02533

81.99

83.7

Keratin, type I cytoskeletal 14

75

10

P02812

67.59

88.9

Basic salivary proline-rich protein 2

 

11

P01876

64.9

91.2

Ig alpha-1 chain C region

101

12

P13647

99.44

70.5

Keratin, type II cytoskeletal 5

88

13

P02787

56.01

58.6

Serotransferrin

31

14

P04083

46.39

75.7

Annexin A1

36

15

Q9HC84

45.57

10.1

Mucin-5B

23

16

O60437

45.31

28.6

Periplakin

25

17

P01036

41.83

72.3

Cystatin-S

119

18

P08779

80.32

79.1

Keratin, type I cytoskeletal 16

67

19

P63261

37.63

80.3

Actin, cytoplasmic 2

33

20

Q9UBC9

37.18

93.5

Small proline-rich protein 3

20

21

P01871

36.8

59.5

Ig mu chain C region

26

22

P25311

35.97

67.1

Zinc-alpha-2-glycoprotein

26

23

P04280

66.34

88.5

Basic salivary proline-rich protein 1

62

24

P05164

34.63

48.5

Myeloperoxidase

23

25

P02810

34.35

72.3

Salivary acidic proline-rich phosphoprotein

77

26

P13645

53.41

63.2

Keratin, type I cytoskeletal 10

42

27

P06733

34

69.8

Alpha-enolase

23

28

P14618

33.39

52

Pyruvate kinase isozymes M1/M2

19

29

P31947

31.24

76.6

14-3-3 protein sigma

19

30

P22079

30.42

43

Lactoperoxidase

17

31

Q09666

29.74

24.3

Neuroblast differentiation-associated protein

21

32

P07355

29.14

54

Annexin A2

17

33

P61626

28.07

63.5

Lysozyme C

47

34

Q9UBG3

26.93

54.1

Cornulin

25

35

Q9UGM3

26.74

37.9

Deleted in malignant brain tumors 1 protein

16

36

P01857

26.64

79.1

Ig gamma-1 chain C region

29

37

P05109

26

90.3

Protein S100-A8

23

38

Q92817

25.4

21.5

Envoplakin

13

39

P12273

24.91

78.1

Prolactin-inducible protein

30

40

Q01546

41.09

51.7

Keratin, type II cytoskeletal 2

31

41

P01024

23.14

19.4

Complement C3

18

42

A8K2U0

22.13

22.3

Alpha-2-macroglobulin-like protein 1

14

43

Q08188

21.57

38.1

Protein-glutamine gamma-glutamyltransferase E

12

44

P04406

21.56

58.5

Glyceraldehyde-3-phosphate dehydrogenase

15

45

P06702

21.49

91.2

Protein S100-A9

38

46

P14923

19.71

34.8

Junction plakoglobin

14

47

Q8N1N4

31.48

43.1

Keratin, type II cytoskeletal 78

20

48

P08107

19.12

19.5

Heat shock 70 kDa protein 1A/1B

10

49

P09228

31.05

76.6

Cystatin-SA OS = Homo sapiens

73

50

P07476

18.23

32.5

Involucrin OS = Homo sapiens

12

  1. The top 50 proteins identified in the mixed sample of pellicles, GCF, parotid saliva, and mixed saliva are listed. During iTRAQ analysis, a mixture of the four samples was analyzed by LC–MS/MS quantitatively. All of the major proteins in Fig. 3b except for histone H2B are among the top 50 proteins in Table 1. Note that keratins may be originated from surrounding tissue or environment. N: number of identified proteins. The proteins are listed in the order of reliability evaluated by the “score” and the “%Cov”. Score: A value indicating the reliability of the identification calculated from the accuracy of the amino acid sequence of the fragments, the intensity of peptide signals, coverage of the whole protein sequence, and number of fragments detected.  % Cov: The ratio of amino acid number identified from the peptides to the whole sequence of the protein. Peptides (95%): The number of peptide fragments reliably identified for the protein
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Biological Research

ISSN: 0717-6287

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