UniProt functional annotation for P19954

UniProt code: P19954.

Organism: Spinacia oleracea (Spinach).
Taxonomy: Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; Caryophyllales; Chenopodiaceae; Chenopodioideae; Anserineae; Spinacia.
 
Function: Ribosome-binding factor involved in light- and temperature- dependent control of protein synthesis. Interacts with 16S sRNA nucleotides at the A-site and P-site, where it protects the decoding center and inhibits translation by preventing tRNA binding. Stabilizes 70S ribosomes against dissociation. May be recycled by the combined action of ribosome-recycling factor (RRF) and EF-G. {ECO:0000269|PubMed:19965869, ECO:0000269|PubMed:28007896}.
 
Subunit: Binds to the mRNA channel of the chloroplast small ribosomal subunit and interacts with 16S sRNA nucleotides at the A-site and P- site. {ECO:0000269|PubMed:28007896}.
Subcellular location: Plastid, chloroplast stroma {ECO:0000269|PubMed:2376575, ECO:0000269|PubMed:2693942, ECO:0000269|PubMed:28007896}.
Mass spectrometry: Mass=26805.0; Method=Electrospray; Evidence={ECO:0000269|PubMed:10874039};
Mass spectrometry: Mass=26943; Method=MALDI; Evidence={ECO:0000269|PubMed:10874039};
Similarity: Belongs to the HPF/YfiA ribosome-associated protein family. Long plastid HPF subfamily. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.