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. Author manuscript; available in PMC: 2019 Aug 16.
Published in final edited form as: Cell Chem Biol. 2018 May 17;25(8):941–951.e6. doi: 10.1016/j.chembiol.2018.04.012

Figure 4. Chemical Structures of the Four Fluorescent Analogs of Cobalamin.

Figure 4.

The top two structures show the attachment of Orgeon green (GO) and BoDIPY (BoD) to the C5 position of the corrin ring, whereas the lower two structures show how these fluorophores are attached to the ribose moiety of the lower nucleotide loop.