5Y1F:
reference: Product Release Mechanism Associated with Structural Changes in Monomeric l-Threonine 3-Dehydrogenase., Motoyama T, Nakano S, Yamamoto Y, Tokiwa H, Asano Y, Ito S, Biochemistry. 2017 Oct 31;56(43):5758-5770. doi: 10.1021/acs.biochem.7b00832., Epub 2017 Oct 19. PMID: 28992410

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