Naismith, J.H., Emmerich, C., Habash, J., Harrop, S.J., Helliwell, J.R., Hunter, W.N., Raftery, J., Kalb, A.J. (Gilboa), Yariv, J. Refined structure of concanavalin A complexed with methyl a-D-mannopyranoside at 2.0 A resolution and comparison with the saccharide-free structure Acta. Crystallogr. 1994