The transgene contains a CAG promoter (CMV-IE enhancer, chicken beta-actin promoter, rabbit beta-globin genomic DNA), Phage P1 loxP sites, STOP sequence contained a 550-bp C-terminal sequence of yeast His3 gene, mouse Plce1 cDNA, Encephalomyocarditis virus (EMCV) internal ribosomal entry site (ires), Simian virus 40 Large T antigen nuclear localization signal (NLS), E.coli lacZ, and SV40 polyA signal. (J:174654)