Table 3. Cytotoxicity Evaluation of C-Terminal Modified Tubulysins.
Reported IC50 (nM) is the mean of 2–13 independent determinations.
Tested as a 1:1 mixture of diastereomers.
Relative resistance ratio: KB 8.5/KB.
Reported IC50 (nM) is the mean of 2–13 independent determinations.
Tested as a 1:1 mixture of diastereomers.
Relative resistance ratio: KB 8.5/KB.