Small ribosomal subunit protein uS14 (uS14)

Small ribosomal subunit protein uS14 is a highly conserved structural protein essential for the assembly and function of the small ribosomal subunit (30S in bacteria, 40S in eukaryotes)[4][5][7]. It binds to ribosomal RNA (16S in bacteria; 18S in eukaryotes) and supports the ribosome’s structure and its role in translation initiation and elongation[4][7]. In eukaryotes, it is known as 40S ribosomal protein S29, encoded by the RPS29 gene in humans[9]. Mutations in RPS29 cause Diamond–Blackfan anemia, highlighting the protein’s essential role in ribosome biogenesis and erythropoiesis[9]. The protein has a compact, mostly invariable globular structure with a zinc finger domain for rRNA interaction, though variable terminal extensions may occur across species[2]. At present, this protein is not considered a direct therapeutic target, as it plays a fundamental, ubiquitous role in cell viability[4][9].

Other names

30S ribosomal protein S14 (bacteria)40S ribosomal protein S29 (eukaryotes, including humans)rpsN (bacterial gene)rpsZ (bacterial gene alternative)RPS29 (human gene)

Inhibition of protein synthesis (for hypothetical drugs targeting this protein, mechanism would likely involve disruption of ribosome assembly or function; no well-defined drugs directly targeting uS14 reported)[4]