DNA vaccine plasmid vector VR2210 DNA vaccine plasmid PMID: 8985201 Oliver He vaccine component A DNA vaccine plasmid vector that has the plasmid label VR2210. This plasmid contains a CMV promoter and kanamycin resistance gene. It was created through ligation of fragments of digested plasmid VR1012, hTPA, and B. burgdorferi B31 ospA. Rebecca Racz