Reitz ZL, Sandy M, Butler A.  2017.  Biosynthetic considerations of triscatechol siderophores framed on serine and threonine macrolactone scaffolds.. Metallomics. 9(7):824-839.

Zane HK, Naka H, Rosconi F, Sandy M, Haygood MG, Butler A.  2014.  Biosynthesis of amphi-enterobactin siderophores by Vibrio harveyi BAA-1116: identification of a bifunctional nonribosomal peptide synthetase condensation domain.. J Am Chem Soc. 136(15):5615-8.

Kraemer S.M., Butler A., Borer P., Cervini-Silva J.  2005.  Biogenic ligands and the dissolution of iron bearing minerals in marine systems. Mineralogy and Geochemistry: Molecular Geomicrobiology. 59:53-76.

Clague MJ, Keder NL, Butler A.  1993.  Biomimetics of Vanadium Bromoperoxidase: Vanadium(V) Schiff Base Complexes Which Catalyze the Oxidation of Bromide by Hydrogen Peroxide. Inorg. Chem. 32:4754-4761.

Everett RR, Butler A.  1989.  Bromide-Assisted Hydrogen Peroxide Disproportionation Catalyzed by Vanadium-Bromoperoxidase: Absence of Direct Catalase Activity and Implications for the Catalytic Mechanism. Inorg. Chem. 28:393-395.