- Role of the domain-domain interaction in the construction of the antigen combining site. A comparative study by 1H-15N shift correlation NMR spectroscopy of the Fv and Fab fragments of anti-dansyl mouse monoclonal antibody. Takahashi, H., Tamura, H., Shimba, N., Shimada, I., Arata, Y. J. Mol. Biol. (1994)