4.2.1.150 F143A site-directed mutagenesis, almost inactive mutant -, 746965 4.2.1.150 F233A site-directed mutagenesis, almost inactive mutant -, 746965 4.2.1.150 F82A site-directed mutagenesis, the mutant shows similar activity compared to wild-type enzyme -, 746965 4.2.1.150 additional information generation of Cdyl transgenic mice by microinjection of a Cdyl construct into the pro-nuclei of fertilized oocytes, derived from intercross of C57BL/6 3 CBA F1 mice -, 748646