Revisiting the Haloarcula marismortui 50S ribosomal subunit model

The 2.4 Å resolution crystal structure of the H. marismortui large ribosomal subunit has been re-refined; the structures of r-proteins P0 and P1 were visualized in part and r-protein LX and helix 76 of the 23S rRNA were localized.

Structure of the polypeptide crotamine from the Brazilian rattlesnake Crotalus durissus terrificus

The crystal structure of the antitumoral and cell-penetrating polypeptide crotamine from C. durissus terrificus venom is reported.