Docking was also completed using each of the complete 12-subunit pol II structures found in the RCSB Protein Data Bank (1NT9, 1PQV, 1WCM, 1Y1W, 1Y1Y, 1Y77, 2B8K, 2B63, 2JA5, 2JA6, 2JA7, 2JA8, 2VUM, 3F... I, 3HOU, 3HOV, 3HOW, 3HOX, 3HOY, 3HOZ, 3K1F), with identical results.