OBSOLETE. The directed movement of rubidium ions (Rb+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
A multiprotein complex containing a heterodimeric E2F transcription factor and a Retinoblastoma (Rb) family member. This complex is capable of repressing transcription of E2F-regulated genes in order to regulate cell cycle progression.