- Multiple assembly States of lumazine synthase: a model relating catalytic function and molecular assembly. Zhang, X., Konarev, P.V., Petoukhov, M.V., Svergun, D.I., Xing, L., Cheng, R.H., Haase, I., Fischer, M., Bacher, A., Ladenstein, R., Meining, W. J. Mol. Biol. (2006)