Nitori bee, awon proteini bii awon akopa isawoko ti won le so mo awon itelentele pato ninu DNA alatinrin meji unsaba farakan awon egbe awon ipile ti won han ninu ibitooro agba.. 
 bó ṣe únṣiṣẹ́ ní ìlúgkin, Sidels àti Edelman, Mandela parí iwe-ẹri B.A.. 