pUC 18 and 19 are small vectors of approximately 2.7 Kb, and contain the Pvu II/EcoR I fragment of pBR322 and the lacZ gene multiple cloning site from M13mp18 (in pUC18) or mp19 (in pUC 19).Both supplied in 10 mM Tris HCl, pH 7.5, 1 mM EDTA at a conc, UoM: 1 * 25 µG

This combination does not exist.