Small Angle X-ray Studies Reveal That Aspergillus niger Glucoamylase Has a Defined Extended Conformation and Can Form Dimers in Solution

Anders Dysted Jorgensen, Jane Nohr, Jette Sandholm Kastrup, Michael Gajhede, Bent W. Sigurskjold, Jorgen Sauer, Birte Svensson, Dmitri I. Svergun and Bente Vestergaard

The Journal of Biological Chemistry 283 ( 21 ): 14772 - 14780 , 2008