Drug activity data (A-matrix).

Tab delimited (1400 drugs x 60 cells) Used to generate dendrogram in Figure 2b
Columns named in Excel format.

A:NSC number (i.e. a unique drug identifier)
B:Drug name, if known. Else, the NSC number.
C:Mechanism of action, if known.
D-BK:Drug activities (-Log10 Gi50)..