1USW:
reference: The crystal structure of feruloyl esterase A from Aspergillus niger suggests evolutive functional convergence in feruloyl esterase family., Hermoso JA, Sanz-Aparicio J, Molina R, Juge N, Gonzalez R, Faulds CB, J Mol Biol 2004 Apr 30;338(3):495-506. PMID: 15081808

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