| abstract |
In one aspect, there is provided a protein-drug conjugate compound comprising a protein covalently attached by a linker to one or more drug moieties, wherein the linker has a half-life of from 1 hour to 50 hours in phosphate buffered saline at 37 °C. A carbonyl derivative of LU103793 is also described that can be used in a protein-drug conjugate compound comprising an antibody covalently attached by a linker to the drug moiety comprising, consisting or consisting essentially of the carbonyl derivative. |