2XQO:
reference: Structural insights into a unique cellulase fold and mechanism of cellulose hydrolysis., Bras JL, Cartmell A, Carvalho AL, Verze G, Bayer EA, Vazana Y, Correia MA, Prates JA, Ratnaparkhe S, Boraston AB, Romao MJ, Fontes CM, Gilbert HJ, Proc Natl Acad Sci U S A. 2011 Mar 29;108(13):5237-42. Epub 2011 Mar 10. PMID: 21393568

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