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Overview

Uniprot IDP62241
Protein NameSmall ribosomal subunit protein eS8
Gene NameRPS8
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
128 LGRKKGAKLTPEEEE
139 EEEEILNKKRSKKIQ
140 EEEILNKKRSKKIQK
157 DERKKNAKISSLLEE
26 KPYHKKRKYELGRPA
37 GRPAANTKIGPRRIH

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 MGISRDNWHK 20 RRKTGGKRKP 30 YHKKRKYELG 40 RPAANTKIGP 50 RRIHTVRVRG 60 GNKKYRALRL 70 DVGNFSWGSE 80 CCTRKTRIID 90 VVYNASNNEL 100 VRTKTLVKNC 110 IVLIDSTPYR 120 QWYESHYALP 130 LGRKKGAKLT 140 PEEEEILNKK 150 RSKKIQKKYD 160 ERKKNAKISS 170 LLEEQFQQGK 180 LLACIASRPG 190 QCGRADGYVL 200 EGKELEFYLR KIKARKGK

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:0005634 nucleus
Cellular Component GO:1990904 ribonucleoprotein complex
Cellular Component GO:0032040 small-subunit processome
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0003735 structural constituent of ribosome
Biological Process GO:0002181 cytoplasmic translation
Biological Process GO:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
Biological Process GO:0042274 ribosomal small subunit biogenesis
Biological Process GO:0006412 translation

Reference

[1] 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.

[2] 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.

[3] 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.

[4] 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.