The mabs represent marker for nucleolar organizer region (NOR), putatively staining the protein treacle (described as TCOF1).
Polypeptides reacting: Mr 240 kD band in SDS gels and lower molecular weight bands (e.g. 160 kD band, Gonzales et al. 2005).
Gonzales B, Yang H, Henning D, Valdez BC: Cloning and functional characterization of the Xenopus orthologue of the Treacher Collins syndrome (TCOF1) gene product. Gene 359, 73-80 (2005)