... M., Nitta, K., Kawauchi, H., Takayanagi, Y. & Oyama, F.(1991) Comparative base specificity, stability, and lectin activity of two lectins from eggs of Rana catesbeiana and R. japonica and liverribonuclease ... S.,Barone,G.&DiDonato ,A. (2001)Contributionofchainterminito the conformational stability and biological activity of onconase.Biochemistry 40, 9097–9103.9. Okabe, Y., Katayama, N., Iwama, M., Watanabe, H., ... C-terminal modifications constitute post-translationalmodifications that can modulate a peptide activity and/ orresistance to degradation, as is the case with acetylation,pyroglutamyl formation...