sentences:  Survivin-2B by itself, localized to both nuclear and cytoplasmic compartments whereas survivin-deltaEx3 localized only in the nucleus.The localization of the three variants (survivin, Survivin-2B, and survivin-deltaEx3) differ, however, when cotransfected together rather than individually.To see which subcellular compartments contained the survivin splice variants complexes, fluorescent antibody markers for different organelles in the cell were employed.