1X1H:
reference: Crystal Structure of Bacillus sp. GL1 Xanthan Lyase Complexed with a Substrate: Insights into the Enzyme Reaction Mechanism., Maruyama Y, Hashimoto W, Mikami B, Murata K, J Mol Biol 2005 Jul 29;350(5):974-86. PMID: 15979090

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