>2o9l_A: 5'-D(*TP*TP*TP*TP*GP*GP*CP*AP*CP*GP*TP*TP*TP*C)-3' TTTTGGCACGTTTC >2o9l_B: 5'-D(*GP*AP*AP*AP*CP*GP*TP*GP*CP*CP*AP*AP*AP*A)-3' GAAACGTGCCAAAA >2o9l_C: RNA polymerase sigma factor RpoN HMLTQGELMKLIKEIVENEDKRKPYSDQEIANILKEKGFKVARRTVAKYREMLGIPSSRERRI