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Overview

Uniprot IDP46782
Protein NameSmall ribosomal subunit protein uS7
Gene NameRPS5
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
182 DELINAAKGSSNSYA
191 SSNSYAIKKKDELER
192 SNSYAIKKKDELERV
47 AVKEKYAKYLPHSAG
63 YAAKRFRKAQCPIVE

Function

Component of the small ribosomal subunit (PubMed:23636399). The ribosome is a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell (PubMed:23636399). Part of the small subunit (SSU) processome, first precursor of the small eukaryotic ribosomal subunit. During the assembly of the SSU processome in the nucleolus, many ribosome biogenesis factors, an RNA chaperone and ribosomal proteins associate with the nascent pre-rRNA and work in concert to generate RNA folding, modifications, rearrangements and cleavage as well as targeted degradation of pre-ribosomal RNA by the RNA exosome (PubMed:34516797)

Protein Sequence

10 MTEWETAAPA 20 VAETPDIKLF 30 GKWSTDDVQI 40 NDISLQDYIA 50 VKEKYAKYLP 60 HSAGRYAAKR 70 FRKAQCPIVE 80 RLTNSMMMHG 90 RNNGKKLMTV 100 RIVKHAFEII 110 HLLTGENPLQ 120 VLVNAIINSG 130 PREDSTRIGR 140 AGTVRRQAVD 150 VSPLRRVNQA 160 IWLLCTGARE 170 AAFRNIKTIA 180 ECLADELINA 190 AKGSSNSYAI 200 KKKDELERVA KSNR

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0005829 cytosol
Cellular Component GO:0022626 cytosolic ribosome
Cellular Component GO:0022627 cytosolic small ribosomal subunit
Cellular Component GO:0005783 endoplasmic reticulum
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0005925 focal adhesion
Cellular Component GO:0016020 membrane
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:1990904 ribonucleoprotein complex
Cellular Component GO:0005840 ribosome
Cellular Component GO:0032040 small-subunit processome
Cellular Component GO:0045202 synapse
Molecular Function GO:0003729 mRNA binding
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0019843 rRNA binding
Molecular Function GO:0003735 structural constituent of ribosome
Biological Process GO:0002181 cytoplasmic translation
Biological Process GO:0006450 regulation of translational fidelity
Biological Process GO:0042274 ribosomal small subunit biogenesis
Biological Process GO:0006412 translation
Biological Process GO:0006413 translational initiation

Reference

[1] Yang D, Yin J, Shan L, Yi X, Zhang W et al.. Identification of lysine-lactylated substrates in gastric cancer cells.. iScience 25(7):104630. 2022 Jul 15. PMID: 35800753.

[2] Yang Z, Yan C, Ma J, Peng P, Ren X et al.. Lactylome analysis suggests lactylation-dependent mechanisms of metabolic adaptation in hepatocellular carcinoma.. Nat Metab 5(1):61-79. 2023 Jan. PMID: 36593272.

[3] He C, Zhang J, Bai X, Lu C, Zhang K. Lysine lactylation-based insight to understanding the characterization of cervical cancer.. Biochim Biophys Acta Mol Basis Dis 1870(7):167356. 2024 Oct. PMID: 39025375.

[4] Guo X, Ren X, Yan C, Huang H. Quantitative Proteomics Reveals the Role of Lysine Lactylation in Lenalidomide-Resistance in Multiple Myeloma Cells.. ACS Chem Biol 20(7):1728-1738. 2025 Jul 18. PMID: 40590393.

[5] He J, Lai T, Zhou Z, Yang H, Lei Z et al.. Multiomics profiling reveals the involvement of protein lactylation in nonhomologous end joining pathway conferring radioresistance in lung adenocarcinoma cell.. Sci Rep 15(1):24651. 2025 Jul 9. PMID: 40634431.

[6] Wu Q, Li Z, Gong T, Zheng X, Zhou X et al.. Porphyromonas gingivalis infection induces lysine lactylation reprogramming in human umbilical vein endothelial cells.. Front Cell Infect Microbiol 16:1706727. 2026. PMID: 41696360.