P40 (40S ribosomal protein SA); structural constituent of ribosome. Identical to 40S ribosomal protein Sa-1 (RPSaA) [Arabidopsis Thaliana] (GB:Q08682;GB:Q93V81); similar to RPSAB (40S RIBOSOMAL PROTEIN SA B), structural constituent of ribosome [Arabidopsis thaliana] (TAIR:AT3G04770.2); similar to 40S ribosomal protein SA (p40) (Laminin receptor-like protein) (GB:Q9ZSR8); contains InterPro domain Ribosomal protein S2, eukaryotic/archaeal; (InterPro:IPR005707); contains InterPro domain Ribosomal protein S2; (InterPro:IPR001865)