The small subunit of eubacterial RIBOSOMES. It is composed of the 16S RIBOSOMAL RNA and about 23 different RIBOSOMAL PROTEINS.

Synonyms: 30S Ribosome Subunits, Bacterial Bacterial Small Ribosome Subunits 30S Ribosomal Subunits, Bacterial Ribosomal Subunits, 30S, Bacterial Small Ribosome Subunits, Bacterial Ribosome Subunits, Small, Bacterial Ribosomal Subunits, Small, Bacterial Bacterial Small Ribosomal Subunits Small Ribosomal Subunits, Bacterial Ribosome Subunits, 30S, Bacterial