1TL6:
reference: T4 AsiA blocks DNA recognition by remodeling sigma(70) region 4., Lambert LJ, Wei Y, Schirf V, Demeler B, Werner MH, EMBO J 2004 Aug 4;23(15):2952-62. Epub 2004 Jul 15. PMID: 15257291

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