3K1D:
reference: Crystal structure of full-length Mycobacterium tuberculosis H37Rv glycogen branching enzyme: insights of N-terminal beta-sandwich in substrate specificity and enzymatic activity., Pal K, Kumar S, Sharma S, Garg SK, Alam MS, Xu HE, Agrawal P, Swaminathan K, J Biol Chem. 2010 Jul 2;285(27):20897-903. doi: 10.1074/jbc.M110.121707. Epub, 2010 May 5. PMID: 20444687

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