![Timing and mechanistic implications of regiospecific carbonyl oxygen isotope exchange during vitamin B12 biosynthesis]()
Timing and mechanistic implications of regiospecific carbonyl oxygen isotope exchange during vitamin B12 biosynthesisScott, A. Ian; Stolowich, Neal J.; Atshaves, Barbara P.; Karuso, Peter; Warren, Martin J.; Williams, Howard J.; Kajiwara, Masahiro; Kurumaya, Katsuyuki; Okazaki, Takeo · Journal of the American Chemical Society · 1991