1GKL:
reference: The structure of the feruloyl esterase module of xylanase 10B from Clostridium thermocellum provides insights into substrate recognition., Prates JA, Tarbouriech N, Charnock SJ, Fontes CM, Ferreira LM, Davies GJ, Structure (Camb) 2001 Dec;9(12):1183-90. PMID: 11738044

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