Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Don C / EBP - α da - β, ana iya samar da nau'i daban-daban na polypeptides ta hanyar amfani da codons na farawa.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Don C / EBPα da - β, ana iya samar da nau'ikan polypeptides masu girma dabam ta hanyar amfani da madadin codons na farawa saboda raunin ribosome scanning mechanisms. "