Western blot using HUS1B polyclonal antibody ( Cat # PAB10059 ) shows detection of a 36 kDa band corresponding to HUS1B in a HeLa cell lysate ( arrowhead ). The staining pattern in 293 cells is less clear, showing apredominant band at 39 kDa. Personal Communication, A-Lien Lu-Chang, U. Maryland, Baltimore, MD.