2XOG:
reference: Functional and structural analyses of N-acylsulfonamide-linked dinucleoside inhibitors of RNase A., Thiyagarajan N, Smith BD, Raines RT, Acharya KR, FEBS J. 2010 Dec 4. doi: 10.1111/j.1742-4658.2010.07976.x. PMID: 21205197

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