3K4J:
reference: Importance of the gating segment in the substrate-recognition loop of pyranose 2-oxidase., Spadiut O, Tan TC, Pisanelli I, Haltrich D, Divne C, FEBS J. 2010 Jul;277(13):2892-909. Epub 2010 Jun 2. PMID: 20528921

This OCA Structure page
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