tripeptida = H2N-CHR-CONH-CHR-CONH-CHR-COOH
C : 38,71 | : 12 = 3,225 | : 1,075 = 3 |x3 = 9
H : 6,09 | : 1 = 6,09 | : 1,075 = 5,66 |x3 = 17
N : 15,05 | : 14 = 1,075 | : 1,075 = 1 |x3 = 3
O : 40,15 | : 16 = 2,5 | : 1,075 = 2,33 |x3 = 7
tripeptida = C9H17N3O7 H2N-CH(CH3)-CONH-CH(CH3)-CONH-CH(CH3)-COOH
aminoacidul = alanina