Definition: The largest ribonucleoprotein component of RIBOSOMES. It contains the domains which catalyze formation of the peptide bond and translocation of the ribosome along the MESSENGER RNA during GENETIC TRANSLATION.
Other names Large Ribosome Subunits; Large Ribosomal Subunits; Subunits, Large Ribosome; Subunits, Large Ribosomal; Subunit, Large Ribosome; Subunit, Large Ribosomal; Ribosome Subunit, Large; Ribosomal Subunit, Large; Large Ribosome Subunit; Large Ribosomal Subunit; Ribosomal Subunits, Large