highly purified preparations of rat liver cytosol casein kinase ts ( ck-ts ) still contain a phosphorylatable protein ( mr = 25,000 by sodium dodecyl sulfate-polyacrylamide gel electrophoresis ) which is also detectable in crude cytosol and which is not phosphorylated by casein kinase s from the same source .
C0108555
casein kinase ts
C0054846
casein kinase