4CR7:
reference: Crystal structures and functional studies clarify substrate selectivity and catalytic residues for the unique orphan enzyme N-acetyl-D-mannosamine dehydrogenase., Sola-Carvajal A, Gil-Ortiz F, Garcia-Carmona F, Rubio V, Sanchez-Ferrer A, Biochem J. 2014 Jun 27. PMID: 24969681

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