1. Suck, D., Kabsch, W. & Mannherz, H. G. Proc. natn. Acad. Sci. U.S.A. 78, 4319–4323 (1981).
2. Smith, P. R., Fowler, W. E., Pollard, T. D. & Aebi, U. J. molec. Biol. 167, 641–660 (1983).
3. Egelman, E. H. & DeRosier, D. J. J. molec. Biol. 116, 623–629 (1983).
4. Taylor, K. A. & Amos, L. A. in Actin: Its Structure and Function in Muscle and non-Muscle Cells (eds dos Remedios, C. & Barden, J.) 25–26 (Academic, Sydney, 1983).
5. O'Brien, E. J., Couch, J., Johnson, G. R. P. & Morris, E. P. in Actin: Its Structure and Function in Muscle and non-Muscle Cells (eds dos Remedios, C. & Barden, J.) (Academic, Sydney, 1983).