3BCD:
reference: Crystal structure of the polyextremophilic alpha-amylase AmyB from Halothermothrix orenii: details of a productive enzyme-substrate complex and an N domain with a role in binding raw starch., Tan TC, Mijts BN, Swaminathan K, Patel BK, Divne C, J Mol Biol. 2008 May 9;378(4):850-68. Epub 2008 Feb 29. PMID: 18387632

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