1ZN4: Nad-Dependent Methylenetetrahydrofolate Dehydrogenase- Cyclohydrolase With Bound Nad And Phosphate
reference: Magnesium and phosphate ions enable NAD binding to methylenetetrahydrofolate dehydrogenase-methenyltetrahydrofolate cyclohydrolase., Christensen KE, Mirza IA, Berghuis AM, Mackenzie RE, J Biol Chem. 2005 Oct 7;280(40):34316-23. Epub 2005 Aug 11. PMID: 16100107

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