5ZYC:
reference: Structural analysis of substrate recognition by glucose isomerase in Mn(2+) binding mode at M2 site in S. rubiginosus., Bae JE, Hwang KY, Nam KH, Biochem Biophys Res Commun. 2018 Sep 5;503(2):770-775. doi:, 10.1016/j.bbrc.2018.06.074. Epub 2018 Jun 18. PMID: 29909012

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