Interaction of structural modules in substrate binding by the ribozyme from Bacillus subtilis RNase P Odell, L.; Huang, V.; Jakacka, M.; Pan, T. Nucleic Acids Research 26(16): 3717-3723 1998 0305-1048 10.1093/nar/26.16.3717 https://eurekamag.com/research/008/893/008893032.php