Enables translation initiation factor binding activity. A structural constituent of ribosome. Predicted to be involved in several processes, including monocyte chemotaxis; regulation of respiratory burst involved in inflammatory response; and ribosomal small subunit biogenesis. Predicted to act upstream of or within Notch signaling pathway. Located in nucleolus. Part of cytosolic small ribosomal subunit. [provided by Alliance of Genome Resources, Apr 2022]