Los 20 aminoácidos que forman parte de las proteínas son: Serina (Ser,S), Treonina (Thr,T), Cisteína (Cys,C), Asparagina (Asn,N), Glutamina (Gln,Q) y Tirosina (Tyr,Y), Glicina (Gly,G), Alanina (Ala,A), Valina (Val,V), Leucina (Leu,L), Isoleucina (Ile,I), Metionina (Met,M), Prolina (Pro,P), Fenilalanina (Phe,F) y Triptófano (Trp,W), Ácido aspártico (Asp,D) y Ácido glutámico (Glu,E), Lisina (Lys,K), Arginina (Arg,R) e Histidina (His,H)
[1 ] Alanina (Ala,A)
[2 ] Ácido glutámico (Glu,E)
[3 ] Leucina (Leu,L)
[4 ] Serina (Ser,S)
[5 ] Arginina (Arg,R)
[6 ] Glutamina (Gln,Q)
[7 ] Lisina (Lys,K)
[8 ] Treonina (Thr,T)
[9 ] Asparagina (Asn,N)
[10 ] Glicina (Gly,G)
[11 ] Metionina (Met,M)
[12 ] Triptófano (Trp,W)
[13 ] Ácido aspártico (Asp,D)
[14 ] Histidina (His,H)
[15 ] Fenilalanina (Phe,F)
[16 ] Tirosina (Tyr,Y)
[17 ] Cisteína (Cys,C)
[18 ] Isoleucina (Ile,I)
[19 ] Prolina (Pro,P)
[20 ] Valina (Val,V)