5GXX:
reference: Crystal Structures of the C-Terminally Truncated Endoglucanase Cel9Q from Clostridium thermocellum Complexed with Cellodextrins and Tris., Jeng WY, Liu CI, Lu TJ, Lin HJ, Wang NC, Wang AH, Chembiochem. 2019 Jan 18;20(2):295-307. doi: 10.1002/cbic.201800789. Epub 2019, Jan 14. PMID: 30609216

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