1L0O:
reference: Crystal structure of the Bacillus stearothermophilus anti-sigma factor SpoIIAB with the sporulation sigma factor sigmaF., Campbell EA, Masuda S, Sun JL, Muzzin O, Olson CA, Wang S, Darst SA, Cell 2002 Mar 22;108(6):795-807. PMID: 11955433

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