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Overview

Uniprot IDQ9BTM1
Protein NameHistone H2A.J
Gene NameH2AJ
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
10 GRGKQGGKVRAKAKS
119 IQAVLLPKKTESQKT
120 QAVLLPKKTESQKTK
37 RVHRLLRKGNYAERV
6 **MSGRGKQGGKVRA

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 MSGRGKQGGK 20 VRAKAKSRSS 30 RAGLQFPVGR 40 VHRLLRKGNY 50 AERVGAGAPV 60 YLAAVLEYLT 70 AEILELAGNA 80 ARDNKKTRII 90 PRHLQLAIRN 100 DEELNKLLGK 110 VTIAQGGVLP 120 NIQAVLLPKK TESQKTKSK

Gene Ontology

Classification GO ID Description
Cellular Component GO:0070062 extracellular exosome
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:0031507 heterochromatin formation

Reference

[1] 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.