Six of the amino acids form three intramolecular disulfide bonds, Cys8-Cys128, Cys21-Cys95, and Cys248-Cys430.
Seis dos aminoácidos forman tres pontes disulfuro intramoleculares, Cys8-Cys128, Cys21-Cys95 e Cys248-Cys430.