The downloadable spreadsheet now indicates which genes encode known or predicted kinases, and which encode known or predicted phosphatases. The new list also shows the updated FlyBase IDs (FBgn Numbers) and gene symbols, along with the IDs and symbols that appeared on the older version of the list. The library has close to 3 unique reagents per gene.
On the assay plates themselves, the two categories are mixed up together so it's not possible to screen just kinases or just phosphatases (we get asked that fairly often).