1B8G:
reference: Structure of 1-aminocyclopropane-1-carboxylate synthase, a key enzyme in the biosynthesis of the plant hormone ethylene., Capitani G, Hohenester E, Feng L, Storici P, Kirsch JF, Jansonius JN, J Mol Biol 1999 Dec 3;294(3):745-56. PMID: 10610793

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