1EXE:
reference: Solution structure of a mutant of transcription factor 1: implications for enhanced DNA binding., Liu W, Vu HM, Geiduschek EP, Kearns DR, J Mol Biol 2000 Sep 29;302(4):821-30. PMID: 10993726

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