Filters Category Gene Vectors Source Show all CHO cells E coli E coli O111B4 (-) Saccharomyces cerevisiae Species Show all (-) Escherichia coli Human (-) Yeast Search : 2 result #Gene Vectors fur1 S. cerevisiae Uracil Phosphoribosyl Transferase #Gene Vectors fcy1 S. cerevisiae Cytosine Deaminase