2D0G:
reference: Complexes of Thermoactinomyces vulgaris R-47 alpha-amylase 1 and pullulan model oligossacharides provide new insight into the mechanism for recognizing substrates with alpha-(1,6) glycosidic linkages., Abe A, Yoshida H, Tonozuka T, Sakano Y, Kamitori S, FEBS J. 2005 Dec;272(23):6145-53. PMID: 16302977

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).