electrophoretic patterns of labelled chromatin proteins indicated , that in myeloma cells , producing spontaneously immunoglobulins , any characteristic fraction of non-histone chromatin proteins , described previously in immunoglobulin producing spleen cells , could not be detected , although the profiles of these proteins in myeloma cells , spleen cells from mice bearing these tumours and control spleen cells varied .
C0008546
chromatin
C0007634
cells