Compaction of a bacterial group I ribozyme coincides with the assembly of core helices.

Perez-Salas, U. A. ; Rangan, P. ; Krueger, S. ; Briber, R. M. ; Thirumalai, D. ; Woodson, S. A. Compaction of a bacterial group I ribozyme coincides with the assembly of core helices. Biochemistry 43, 1746-53.