1FAE:
reference: Crystal structures of the cellulase Cel48F in complex with inhibitors and substrates give insights into its processive action., Parsiegla G, Reverbel-Leroy C, Tardif C, Belaich JP, Driguez H, Haser R, Biochemistry 2000 Sep 19;39(37):11238-46. PMID: 10985769

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