Abstract
Three
mer
transposons from the Murray collection of preantibiotic enterobacteria show >99% sequence identity to current isolates. Tn
5073
is most closely related to Tn
5036
and Tn
1696
, and Tn
5074
is most closely related to Tn
5053
. Tn
5075
is most closely related to Tn
21
but lacks integron In2 and is flanked by insertion elements.