5FKR:
reference: Functional and structural characterization of a potent GH74 endo-xyloglucanase from the soil saprophyte Cellvibrio japonicus unravels the first step of xyloglucan degradation., Attia M, Stepper J, Davies GJ, Brumer H, FEBS J. 2016 May;283(9):1701-19. doi: 10.1111/febs.13696. Epub 2016 Mar 30. PMID: 26929175

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