. "Edited: Jassal, B, 2010-09-08"^^ . "Reviewed: D'Eustachio, P, 2010-11-05"^^ . "GTP cyclizes in a reaction involving radicals of S-adenosylmethionine, catalyzed by the iron-sulfur cluster dimeric MOCS1. The intermediate result is called precursor Z (Hanzelmann et al, 2002; Hanzelmann et al, 2004)."^^ . "Authored: Stephan, R, 2010-09-01"^^ . . . . . . . "Cyclisation of GTP to precursor Z"^^ . . . . . . . . . . .