3WWG:
reference: The side chain of a glycosylated asparagine residue is important for the stability of isopullulanase., Miyazaki T, Yashiro H, Nishikawa A, Tonozuka T, J Biochem. 2015 Apr;157(4):225-34. doi: 10.1093/jb/mvu065. Epub 2014 Oct 29. PMID: 25359784

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