Does anybody know where I can obtain vectors(s) containing the P1 Cre gene and loxP sites - preferably without paying for them. Thanks Johnjoe McFadden School of Biological Sciences University of Surrey Guildford, Surrey, GU2 5XH tel: (0) 483 300800 x2671 fax: (0) 483 300374 E-mail: J.McFadden at uk.ac.surrey