2ATG:
reference: Retrocyclin-2: structural analysis of a potent anti-HIV theta-defensin., Daly NL, Chen YK, Rosengren KJ, Marx UC, Phillips ML, Waring AJ, Wang W, Lehrer RI, Craik DJ, Biochemistry. 2007 Sep 4;46(35):9920-8. Epub 2007 Aug 8. PMID: 17685559

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