Amino acid sequences of 49 histatin 1 fragments generated upon its incubation with WSS from individuals in G1, G2, and G3, at different time points (0, 0.5, 1.5, 4, 6, 8, 24 and 48 h). Red represents unique peptides identified for G1; blue represents unique peptides identified for G2; green represents unique peptides for G3.