3ZQX:
reference: A single mutation reforms the binding activity of an adhesion-deficient family 3 carbohydrate-binding module., Yaniv O, Petkun S, Shimon LJ, Bayer EA, Lamed R, Frolow F, Acta Crystallogr D Biol Crystallogr. 2012 Jul;68(Pt 7):819-28. Epub 2012 Jun 15. PMID: 22751667

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