3BXY:
reference: Structure of Escherichia coli tetrahydrodipicolinate N-succinyltransferase reveals the role of a conserved C-terminal helix in cooperative substrate binding., Nguyen L, Kozlov G, Gehring K, FEBS Lett. 2008 Mar 5;582(5):623-6. Epub 2008 Jan 31. PMID: 18242192

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