The ribosomal l1 protuberance in yeast is methylated on a lysine residue catalyzed by a seven-beta-strand methyltransferase.

Abstract excerpt

Modification of proteins of the translational apparatus is common in many organisms. In the yeast Saccharomyces cerevisiae, we provide evidence for the methylation of Rpl1ab, a well conserved protein forming the ribosomal L1 protuberance of the large subunit that functions in the release of tRNA from the exit site. We show that the intact mass of Rpl1ab is 14 Da larger than its calculated mass with the previously...

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