3GAH:
reference: Residue Phe112 of the human-type corrinoid adenosyltransferase (PduO) enzyme of Lactobacillus reuteri is critical to the formation of the four-coordinate Co(II) corrinoid substrate and to the activity of the enzyme., Mera PE, St Maurice M, Rayment I, Escalante-Semerena JC, Biochemistry. 2009 Apr 14;48(14):3138-45. PMID: 19236001

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