...entry vector containing your DNA of interest (or obtained one of the thousands of entry vectors deposited...shuttled into any compatible Gateway destination vector, which contains attR sites, via LR clonase enzymes...a simple and efficient cloning method, Gateway vectors and recombination enzymes can be quite expensive...donor , Gateway entry , and Gateway destination vectors with different promoters, tags, selection markers...comes from a pre-cut, linear, cloning-ready TOPO vector that has a DNA topoisomerase I covalently bound...-ready, and it is not feasible to create a TOPO vector yourself. Additionally, the efficiency can vary...overhangs of 10–12 base pairs on the 5' end of both the vector and insert. These overhangs can easily anneal, ...