Table 1 Estimation of the protein secondary structure contents of all the four teeth protein extracts.

From: Characterization of protein extracts from different types of human teeth and insight in biomineralization

Protein

Irregular structure

β-extended + irregular

Turns

α- helix + irregular

Incisor protein

24.5

49.0

6.0

20.5

Canine protein

23.0

39.0

10.0

28.0

Premolar protein

24.5

33.5

3.5

38.5

Molar protein

24.5

50.5

5.5

19.5