Table 1 Number of salivary proteins in the spectral library

Antioxidant/detoxification

20

Cytoskeletal

14

Extracellular matrix

5

Glycine rich

8

Heme/iron binding

2

Immune-related/defence

8

Lipocalins

15

Metabolism, amino acids

2

Metabolism, carbohydrate

13

Metabolism, energy

14

Metabolism, lipids

11

Metabolism, nucleic acids

8

Nuclear regulation

7

Protease

28

Protease inhibitor

17

Proteasome machinery

6

Protein modification

14

Protein synthesis

1

Regulation

15

Signal transduction

6

Transporters/receptors

8

Transposable element

1

Unknown function

36

Total

259