Structure of the adenylation domain Thr1 involved in the biosynthesis of 4-chlorothreonine in Streptomyces sp. OH-5093-protein flexibility and molecular bases of substrate specificity. - Scaglione, Antonella; Fullone, Maria Rosaria; Montemiglio, Linda Celeste; Parisi, Giacomo; Zamparelli, Carlotta; Vallone, Beatrice; Savino, Carmelinda; Grgurina, Ingeborg (FEBS Journal, 2017)