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Overview

Uniprot IDP57053
Protein NameHistone H2B type F-S
Gene NameH2BC12L
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
109 LLPGELAKHAVSEGT
117 HAVSEGTKAVTKYTS
121 EGTKAVTKYTSAK**
16 PAPKKGSKKAVTKAQ
35 RKRKRSRKESYSVYV
47 VYVYKVLKQVHPDTG
6 **MPEPAKSAPAPKK
86 SRLPHYNKRSTITSR

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 MPEPAKSAPA 20 PKKGSKKAVT 30 KAQKKDGRKR 40 KRSRKESYSV 50 YVYKVLKQVH 60 PDTGISSKAM 70 GIMNSFVNDI 80 FERIAGEASR 90 LPHYNKRSTI 100 TSREIQTAVR 110 LLLPGELAKH 120 AVSEGTKAVT KYTSAK

Gene Ontology

Classification GO ID Description
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:0050830 defense response to Gram-positive bacterium
Biological Process GO:0002227 innate immune response in mucosa
Biological Process GO:0021762 substantia nigra development

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] 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.

[4] Yan M, Tu H, Tang S, Gai Z, Shi Q et al.. Lactylated Proteomic Analysis Reveals Functional Implications of Lysine Lactylation In Asthenozoospermia.. Mol Cell Proteomics 24(12):101439. 2025 Dec. PMID: 41192556.

[5] 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.