3ZQW:
reference: Structure of CBM3b of the major cellulosomal scaffoldin subunit ScaA from Acetivibrio cellulolyticus., Yaniv O, Halfon Y, Shimon LJ, Bayer EA, Lamed R, Frolow F, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Jan 1;68(Pt 1):8-13. Epub , 2011 Dec 24. PMID: 22232162

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