1O8B:
reference: Structure of Escherichia coli Ribose-5-Phosphate Isomerase. A Ubiquitous Enzyme of the Pentose Phosphate Pathway and the Calvin Cycle., Zhang R, Andersson CE, Savchenko A, Skarina T, Evdokimova E, Beasley S, Arrowsmith CH, Edwards AM, Joachimiak A, Mowbray SL, Structure (Camb) 2003 Jan;11(1):31-42. PMID: 12517338

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