2D1Z:
reference: Crystallographic snapshots of an entire reaction cycle for a retaining xylanase from Streptomyces olivaceoviridis E-86., Suzuki R, Fujimoto Z, Ito S, Kawahara S, Kaneko S, Taira K, Hasegawa T, Kuno A, J Biochem. 2009 Jul;146(1):61-70. Epub 2009 Mar 11. PMID: 19279191

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