StrataClone™ PCR Cloning Systems is a high-performance PCR cloning system using Stratagene's DNA Topoisomerase I Technology. The system allows cloning of both long and short amplicons and provides kits for both UA and blunt-end cloning. With just 5 minutes from PCR to transformation, high efficiency yields >95% clones with insert. The multiple cloning site offers more restriction enzyme sites.