Article
Crystallographic snapshots of iterative substrate translocations during nicotianamine synthesis in Archaea.
Proceedings of the National Academy of Sciences of the United States of America - 22 Sept 2009
Dreyfus Cyril, Lemaire David, Mari Stéphane, Pignol David, Arnoux Pascal
Abstract excerpt
Nicotianamine (NA), a small molecule ubiquitous in plants, is an important divalent metal chelator and the main precursor of phytosiderophores. Nicotianamine synthase (NAS) is the enzyme catalyzing NA synthesis by the condensation of three aminopropyl moieties of S-adenosylmethionine (SAM) and the cyclization of one of them to form an azetidine ring. Here we report five crystal structures of an archaeal NAS from...
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