Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Amino acid sun bambanta a cikin ikon su don samar da abubuwa daban-daban na tsarin sakandare. Ana kiran proline da glycine a wasu lokuta a matsayin "masu karya helix" saboda suna lalata daidaito na daidaiton ƙirar ƙirar ƙirar ƙirar; duk da haka, duka suna da ƙwarewar ƙirar da ba a saba gani ba kuma ana samun su a cikin juyawa. Amino acid da suka fi son ɗaukar tsarin helical a cikin sunadarai sun haɗa da methionine, alanine, leucine, glutamate da lysine ("MALEK" a cikin lambobin harafin amino-acid 1); akasin haka, manyan ragowar ƙanshi (tryptophan, tyrosine da phenylalanine) da Cβ-branched amino acid (isoleucine, valine, da threonine) sun fi son ɗaukar tsarin β-strand. Koyaya, waɗannan abubuwan fifiko ba su da ƙarfi don samar da ingantacciyar hanyar hasashen tsarin sakandare daga jerin kawai.  Tambaya: Wane irin tsarin DNA ne ba za a iya yin hasashensa ba ta yin amfani da wannan hanyar?
tsarin na biyu