4TZ1:
reference: Active site and laminarin binding in glycoside hydrolase family 55., Bianchetti CM, Takasuka TE, Deutsch S, Udell HS, Yik EJ, Bergeman LF, Fox BG, J Biol Chem. 2015 Mar 9. pii: jbc.M114.623579. PMID: 25752603

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