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Overview

Uniprot IDP42677
Protein NameSmall ribosomal subunit protein eS27
Gene NameRPS27
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
5 ***MPLAKDLLHPSP

Function

Component of the small ribosomal subunit (PubMed:23636399, PubMed:8706699). The ribosome is a large ribonucleoprotein complex responsible for the synthesis of proteins in the cell (PubMed:23636399). Required for proper rRNA processing and maturation of 18S rRNAs (PubMed:25424902). 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 MPLAKDLLHP 20 SPEEEKRKHK 30 KKRLVQSPNS 40 YFMDVKCPGC 50 YKITTVFSHA 60 QTVVLCVGCS 70 TVLCQPTGGK 80 ARLTEGCSFR RKQH

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005829 cytosol
Cellular Component GO:0022626 cytosolic ribosome
Cellular Component GO:0022627 cytosolic small ribosomal subunit
Cellular Component GO:0098982 GABA-ergic synapse
Cellular Component GO:0098978 glutamatergic synapse
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0014069 postsynaptic density
Cellular Component GO:0098793 presynapse
Cellular Component GO:0005840 ribosome
Cellular Component GO:0032040 small-subunit processome
Molecular Function GO:0003677 DNA binding
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0003735 structural constituent of ribosome
Molecular Function GO:0008270 zinc ion binding
Biological Process GO:0002181 cytoplasmic translation
Biological Process GO:0000028 ribosomal small subunit assembly
Biological Process GO:0042274 ribosomal small subunit biogenesis
Biological Process GO:0006364 rRNA processing
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] 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.