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Overview

Uniprot IDQ99879
Protein NameHistone H2B type 1-M
Gene NameH2BC14
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
109 LLPGELAKHAVSEGT
117 HAVSEGTKAVTKYTS
12 VKSAPVPKKGSKKAI
121 EGTKAVTKYTSSK**
13 KSAPVPKKGSKKAIN
21 GSKKAINKAQKKDGK
35 KKRKRSRKESYSVYV
47 VYVYKVLKQVHPDTG
6 **MPEPVKSAPVPKK

Function

Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling

Protein Sequence

10 MPEPVKSAPV 20 PKKGSKKAIN 30 KAQKKDGKKR 40 KRSRKESYSV 50 YVYKVLKQVH 60 PDTGISSKAM 70 GIMNSFVNDI 80 FERIAGEASR 90 LAHYNKRSTI 100 TSREIQTAVR 110 LLLPGELAKH 120 AVSEGTKAVT KYTSSK

Gene Ontology

Classification GO ID Description
Cellular Component GO:0070062 extracellular exosome
Cellular Component GO:0005615 extracellular space
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0000786 nucleosome
Cellular Component GO:0005634 nucleus
Molecular Function GO:0003677 DNA binding
Molecular Function GO:0046982 protein heterodimerization activity
Molecular Function GO:0030527 structural constituent of chromatin
Biological Process GO:0019731 antibacterial humoral response
Biological Process GO:0061844 antimicrobial humoral immune response mediated by antimicrobial peptide
Biological Process GO:0006325 chromatin organization
Biological Process GO:0002227 innate immune response in mucosa
Biological Process GO:0006334 nucleosome assembly

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] 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.

[3] Cheng Z, Huang H, Li M, Chen Y. Proteomic analysis identifies PFKP lactylation in SW480 colon cancer cells.. iScience 27(1):108645. 2024 Jan 19. PMID: 38155775.

[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] Bao Q, Wan N, He Z, Cao J, Yuan W et al.. Subcellular Proteomic Mapping of Lysine Lactylation.. J Am Soc Mass Spectrom 35(12):3221-3232. 2024 Dec 4. PMID: 39569522.

[6] 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.

[7] 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.

[8] 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.