2BI4:
reference: Crystal structure of an iron-dependent group III dehydrogenase that interconverts L-lactaldehyde and L-1,2-propanediol in Escherichia coli., Montella C, Bellsolell L, Perez-Luque R, Badia J, Baldoma L, Coll M, Aguilar J, J Bacteriol. 2005 Jul;187(14):4957-66. PMID: 15995211

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