4BMF:
reference: Solution structure of the cellulose-binding domain of endoglucanase I from Trichoderma reesei and its interaction with cello-oligosaccharides., Mattinen ML, Linder M, Drakenberg T, Annila A, Eur J Biochem. 1998 Sep 1;256(2):279-86. PMID: 9760165

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