This model describes the ribosomal protein of the cytosol and of Archaea, homologous to S2 of bacteria. It is designated typically as Sa in eukaryotes and Sa or S2 in the archaea. TIGR01011 describes the related protein of organelles and bacteria. [Protein synthesis, Ribosomal proteins: synthesis and modification]
Jiyao W et al.(2023). "The conserved domain database in 2023.",