1JI2:
reference: Crystal structures and structural comparison of Thermoactinomyces vulgaris R-47 alpha-amylase 1 (TVAI) at 1.6 A resolution and alpha-amylase 2 (TVAII) at 2.3 A resolution., Kamitori S, Abe A, Ohtaki A, Kaji A, Tonozuka T, Sakano Y, J Mol Biol. 2002 Apr 26;318(2):443-53. PMID: 12051850

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