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Williamson, Heather R., Esha Sehanobish, Alan M. Shiller, Antonio Sanchez-Amat, a Victor L. Davidson. "Roles of Copper and a Conserved Aspartic Acid in the Autocatalytic Hydroxylation of a Specific Tryptophan Residue During Cysteine Tryptophylquinone Biogenesis." Biochemistry 2017.

Williamson, Heather R., et al. "Roles of Copper and a Conserved Aspartic Acid in the Autocatalytic Hydroxylation of a Specific Tryptophan Residue During Cysteine Tryptophylquinone Biogenesis." Biochemistry 2017.