H2N-CH-CONH-CH2-COOH
CH3 CH2-SH
dipeptida mixta (Alanil-Cisteina)
H2N-CH-CONH-CH-COOH
CH3 CH3
dipeptida simpla (Alanil-Alanina)
s p s p
H2N-CH-CONH-CH-COOH
CH3 CH3
p p
C6H12N2O3
raport masa
C: H: N: O = 6x12: 12x1: 2x14: 3x16 =
= 72: 12: 28: 48 /:4
= 18: 3: 12: 12
raport atomi
Cs : Cp = 2: 4 /:2 = 1: 2