1VS2:
reference: Interactions of quinoxaline antibiotic and DNA: the molecular structure of a triostin A-d(GCGTACGC) complex., Wang AH, Ughetto G, Quigley GJ, Rich A, J Biomol Struct Dyn. 1986 Dec;4(3):319-42. PMID: 3271447

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