4BOW:
reference: The beta-Glucanase ZgLamA from Zobellia galactanivorans evolved a bent active site adapted for efficient degradation of algal laminarin., Labourel A, Jam M, Jeudy A, Hehemann JH, Czjzek M, Michel G, J Biol Chem. 2013 Dec 11. PMID: 24337571

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