Sequence alignment of the 54-bp direct repeat from the 5′-end rpsI and 3′-end PAI of strain E1162 and the transconjugant (TC), the rpsI in recipient strain BM4105RF, and the 54-bp direct repeat at the junction sites of the circular intermediates (CI) of E1162, E1162Δesp, E1162ΔintA::pEF30, and the transconjugant.