Figure 2.
Binding modes of docked compounds in the colchicine site (colchicine: yellow; 1sa0: cyan; 3hkc: magenta). a) The two binding modes of the pyrrole compounds (2 in thick red; 7 in thick purple; other analogues depicted with thin lines); b) The binding modes of the combretastatin analogues (40, combretastatin A-4, in blue) and the pyrimidine analogues (52 in green).