At NEB, enzyme production is linked to basic research in the cloning & overexpression of restriction/modification systems. Our focus on providing the largest selection of recombinant enzymes has resulted in lower dollar/unit costs & improved purity & consistency of product. Supplies more than 240 restriction enzymes, over 160 of which are available in recombinant form, & numerous recombinant DNA & protein modifying enzymes. NEB is the exclusive Canadian distributor for Cell Signaling Technology.