Table 2

 Puromycin-resistance colony assay

PlasmidSKBR3* (%)293*(%)3T3*(%)
*Three representative assays, performed blind.
Vector100100100
Wt174035
P24SN/A5840
E153K175634
Q564H609560
C645R657869
R658C378120
V695L268068
I738V164533
S761N558435
N295KN/AN/A110
K312NN/AN/A115
C557SN/AN/A150