Abstract
The retinoblastoma gene product (RB) contributes to normal cell growth control. One of its functions is manifest as a block to exit from G1, which is carried out by an RB subspecies which is un- or underphosphorylated. After RB phosphorylation, a process which occurs towards the end of G1 in cycling cells, the block is lifted allowing a cell to enter S. Here, we review a series of results which speak to the elements of RB structure which contribute to this activity. Included is its internal colinear protein receptor domain (i.e. the 'pocket').
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Livingston, D., Kaelin, W., Chittenden, T. et al. Structural and functional contributions to the G1 blocking action of the retinoblastoma protein. (the 1992 Gordon Hamilton Fairley Memorial Lecture). Br J Cancer 68, 264–268 (1993). https://doi.org/10.1038/bjc.1993.325
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DOI: https://doi.org/10.1038/bjc.1993.325
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