AF133437 18772 11 34 loxP site AF133437 18772 35 8143 Escherichia coli promoter; C1 binding site AF133437 18772 13961 13968 NotI site for excising PAC inserts AF133437 18772 13968 13991 T7 RNA promoter site AF133437 18772 13992 13997 BamHI cloning site AF133437 18772 13993 16729 BamHI cloning site AF133437 18772 16735 16753 SP6 RNA promoter AF133437 18772 16766 16773 NotI site for excising PAC inserts AF133437 18772 16852 18270 sacB AF133437 18772 18501 18518 I-SceI (omeganuclease) site