T4 Polynucleotide Kinase
Thermo Fisher ScientificThermo Scientific T4 Polynucleotide Kinase (PNK) is a tetrameric protein composed of four identical subunits. It is widely used in molecular biology to radiolabel nucleic acids and to add a phosphate to the 5'-end of dephosphorylated nucleic acids to facilitate ligations.
Features • Phosphorylates 5’ ends • Transfers 32P to DNA and RNA