1QNB:
reference: TATA element recognition by the TATA box-binding protein has been conserved throughout evolution., Patikoglou GA, Kim JL, Sun L, Yang SH, Kodadek T, Burley SK, Genes Dev 1999 Dec 15;13(24):3217-30. PMID: 10617571

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