The role of enhanced aromatic π-electron donating aptitude of the tyrosyl sidechain with respect to that of phenylalanyl in intramolecular interactionsG. A. Chass, S. Lovas, R. F. Murphy and I. G. CsizmadiaEur. Phys. J. D, 20 3 (2002) 481-497DOI: https://doi.org/10.1140/epjd/e2002-00155-6