4Z44:
reference: Extending the biocatalytic scope of regiocomplementary flavin-dependent halogenase enzymes., Shepherd SA, Karthikeyan C, Latham J, Struck AW, Thompson ML, Menon BRK, Styles MQ, Levy C, Leys D, Micklefield J, Chem Sci. 2015 Jun 1;6(6):3454-3460. doi: 10.1039/c5sc00913h. Epub 2015 Apr 10. PMID: 29511510

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