3KFX:
reference: Structural and kinetic characterization of human deoxycytidine kinase variants able to phosphorylate 5-substituted deoxycytidine and thymidine analogues ., Hazra S, Ort S, Konrad M, Lavie A, Biochemistry. 2010 Aug 10;49(31):6784-90. PMID: 20614893

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