| 1STG: reference: X-ray crystal structures of staphylococcal nuclease complexed with the competitive inhibitor cobalt(II) and nucleotide., Loll PJ, Quirk S, Lattman EE, Garavito RM, Biochemistry 1995 Apr 4;34(13):4316-24. PMID: 7703245 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).