2QRK:
reference: Crystal Structures of Ligand-Bound Saccharopine Dehydrogenase from Saccharomyces cerevisiae(,)., Andi B, Xu H, Cook PF, West AH, Biochemistry. 2007 Nov 6;46(44):12512-21. Epub 2007 Oct 16. PMID: 17939687

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