 O ni  a-amino legbe kan (eyi ti o ni agbara -NH3+ labe aaye), ati a-carboxylic acid legbe kan (eyi ti ko ni agbara -COO- labe aaye), ati egbe methyl ti o somo legbe, ti a si ko won po si awon ti ko lagbara lati tuka somi, amino acid ti ko degbe.. 
Osborne Theomun Olsen (Ọjọ́ kẹsán Oṣù kẹfà Ọdún 1883 – Ọjọ́ kẹsán Oṣù kínín Ọdún 1971) olùdásílẹ̀ Art Studios ní Chicago, Illinois, tí ó wà láti 1910 di 1973.ìgbésíayé rẹ̀ wọ́n bí Osborne ní Chicago, Illinois ní Ọjọ́ kẹsán Oṣù kẹfà Ọdún 1883.. 