The highly conserved protein P0 carboxyl end is essential for ribosome activity only in the absence of proteins P1 and P2.


Protein P0 together with proteins P1 and P2 form the stalk in eukaryotic ribosomes. P0 has a carboxyl-terminal domain about 100 amino acids long that has high sequence similar to the ribosomal proteins P1 and P2. By sequential deletion of this region, a series of Saccharomyces cerevisiae truncated P0 genes have been constructed that encode proteins lacking… (More)


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