Amino acid da suka fi so suyi amfani da tsari na tsari a cikin sunadarai sun hada da methionine, alanine, leucine, glutamate da lysine ("MALEK" a cikin amino-acid 1-letter codes); a akasin haka, manyan ragowar aromatic (tryptophan, tyrosine da phenylalanine) da Cβ-branched amino acids (isoleucine, valine, da threonstrine) sun fi son yin amfani da β-andine. Duk da haka, waɗannan abubuwan fifiko ba su da ƙarfi sosai don samar da hanyar da za a iya dogara da ita don yin hasashen tsari na tsari daga tsari na sakandare. Tambaya: Wace irin tsarin DNA za a iya dogara da ita ta amfani da wannan hanyar?
tsarin na biyu