Cloning, expression, purification and biophysical analysis of two putative halogenases from the glycopeptide A47,934 gene cluster of Streptomyces toyocaensis - Cardoso, Tabata P.; Sá, Larissa Antelo de; Bury, Priscila dos S.; Chavez-Pacheco, Sair Maximo; Dias, Marcio Vinicius Bertacine (Protein Expression and Purification, 2017)