1WKY:
reference: Crystallization and preliminary X-ray study of alkaline mannanase from an alkaliphilic Bacillus isolate., Akita M, Takeda N, Hirasawa K, Sakai H, Kawamoto M, Yamamoto M, Grant WD, Hatada Y, Ito S, Horikoshi K, Acta Crystallogr D Biol Crystallogr. 2004 Aug;60(Pt 8):1490-2. Epub 2004, Jul 21. PMID: 15272186

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