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Overview

Uniprot IDP62263
Protein NameSmall ribosomal subunit protein uS11
Gene NameRPS14
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
106 ATGGNRTKTPGPGAQ
63 VTGGMKVKADRDESS
86 QDVAQRCKELGITAL
96 GITALHIKLRATGGN

Function

Component of the small ribosomal subunit. The ribosome is a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell. 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 MAPRKGKEKK 20 EEQVISLGPQ 30 VAEGENVFGV 40 CHIFASFNDT 50 FVHVTDLSGK 60 ETICRVTGGM 70 KVKADRDESS 80 PYAAMLAAQD 90 VAQRCKELGI 100 TALHIKLRAT 110 GGNRTKTPGP 120 GAQSALRALA 130 RSGMKIGRIE 140 DVTPIPSDST 150 RRKGGRRGRR L

Gene Ontology

Classification GO ID Description
Cellular Component GO:0014069 postsynaptic density
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:0005730 nucleolus
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0032040 small-subunit processome
Molecular Function GO:0048027 mRNA 5'-UTR binding
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0003735 structural constituent of ribosome
Biological Process GO:0002181 cytoplasmic translation
Biological Process GO:0030218 erythrocyte differentiation
Biological Process GO:0030490 maturation of SSU-rRNA
Biological Process GO:0000122 negative regulation of transcription by RNA polymerase II
Biological Process GO:0000028 ribosomal small subunit assembly
Biological Process GO:0042274 ribosomal small subunit biogenesis
Biological Process GO:0006412 translation

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] Hong H, Chen X, Wang H, Gu X, Yuan Y et al.. Global profiling of protein lysine lactylation and potential target modified protein analysis in hepatocellular carcinoma.. Proteomics 23(9):e2200432. 2023 May. PMID: 36625413.

[4] 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.

[5] 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.

[6] 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.

[7] 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.