1XTZ:
reference: Crystal structure of the S. cerevisiae D-ribose-5-phosphate isomerase: comparison with the archaeal and bacterial enzymes., Graille M, Meyer P, Leulliot N, Sorel I, Janin J, Van Tilbeurgh H, Quevillon-Cheruel S, Biochimie 2005 Aug;87(8):763-9. Epub 2005 Apr 5. PMID: 16054529

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