1OKA:
reference: Structure of chimeric duplex junctions: solution conformation of the retroviral Okazaki-like fragment r(ccca)d(AATGA).d(TCATTTGGG) from Moloney murine leukemia virus., Salazar M, Fedoroff OY, Reid BR, Biochemistry 1996 Jun 25;35(25):8126-35. PMID: 8679564

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