AF403427 8416 1 5693 cos from lambda (NC_001416) AF403427 8416 6168 6201 lox from pBAC108L (GenBank Accession Number U51114) AF403427 8416 6217 6239 polylinker (multiple cloning site) AF403427 8416 6398 6415 cat AF403427 8416 7437 8171 erm