1SKI:
reference: Structure of the antimicrobial, cationic hexapeptide cyclo(RRWWRF) and its analogues in solution and bound to detergent micelles., Appelt C, Wessolowski A, Soderhall JA, Dathe M, Schmieder P, Chembiochem. 2005 Sep;6(9):1654-62. PMID: 16075425

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