Definition: The small ribonucleoprotein component of RIBOSOMES. It contains the MESSENGER RNA binding site and two TRANSFER RNA binding sites - one for the incoming AMINO ACYL TRNA (A site) and the other (P site) for the peptidyl tRNA carrying the elongating peptide chain.
Other names Subunits, Small Ribosome; Subunits, Small Ribosomal; Subunit, Small Ribosome; Subunit, Small Ribosomal; Small Ribosome Subunit; Small Ribosomal Subunit; Ribosome Subunit, Small; Ribosomal Subunit, Small; Small Ribosome Subunits; Small Ribosomal Subunits; Ribosomal Subunits, Small
