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

ProteinIrregular structureβ-extended + irregularTurnsα- helix + irregular
Incisor protein24.549.06.020.5
Canine protein23.039.010.028.0
Premolar protein24.533.53.538.5
Molar protein24.550.55.519.5