2Z79:
reference: Crystallographic analysis shows substrate binding at the -3 to +1 active site subsites and at the surface of glycoside hydrolase family 11 endo-1,4-beta-xylanases., Vandermarliere E, Bourgois TM, Rombouts S, Van Campenhout S, Volckaert G, Strelkov SV, Delcour JA, Rabijns A, Courtin CM, Biochem J. 2007 Nov 6;. PMID: 17983355

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