Filters Category Gene Vectors Source Show all CHO cells (-) E coli Streptomyces species Synthetic Species Show all (-) Bacteria Escherichia coli Human (-) Vaccinia virus Search : 3 result #Gene Vectors UPP E. coli Uracil Phosphoribosyltransferase #Gene Vectors codA::upp E. coli Cytosine Deaminase fused to Uracil Phosphoribosyltransferase. #Gene Vectors codA E. coli Cytosine Deaminase