Aukati i te neuroonal kaore he synthase (nnos). E herea ana, ka raru i te DNA; i whakamahia hoki hei horoi i nga pūmua DNA-herea. Whakaongaonga i te T4 Polynucleetide "mahi. Akoranga Biochemical
Pūhera: Ka rite ki te tono a te kaihoko
Pākoro: Rokiroki i te matao me te maroke
Paerewa whakahaere: Paerewa International.