3WIQ:
reference: Structural and mutational analysis of substrate recognition in kojibiose phosphorylase., Okada S, Yamamoto T, Watanabe H, Nishimoto T, Chaen H, Fukuda S, Wakagi T, Fushinobu S, FEBS J. 2014 Feb;281(3):778-86. doi: 10.1111/febs.12622. Epub 2013 Dec 12. PMID: 24255995

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