Correspondence to Andrew M. Fry: [email protected] A. Knebel’s present address is Medical Research Council Protein Phosphorylation Unit, The Sir James Black Center, Dundee DD1 5EH, Scotland, UK. Abbreviations used in this paper: HSP, heat shock protein; IF, immunofluorescence; IP, immunoprecipitate; KESTREL, kinase substrate–tracking and elucidation; LSB, low salt buffer; MT, microtubule; NEBD, nuc...
