Schlichting, I., Almo, S. C., Rapp, G., Wilson, K., Petratos, K., Lentfer, A., et al. (1990). TIME-RESOLVED X-RAY CRYSTALLOGRAPHIC STUDY OF THE CONFORMATIONAL CHANGE IN HA-RAS P21 PROTEIN ON GTP HYDROLYSIS. NATURE, 345(6273), 309-315. doi:10.1038/345309a0.