Search Results

Overview

Uniprot IDQ92769
Protein NameHistone deacetylase 2
Gene NameHDAC2
OrganismHomo sapiens

Kla Sites from experimental identification

Position Flanking peptide
439 RRNVADHKKGAKKAR
451 KARIEEDKKETEDKK
452 ARIEEDKKETEDKKT
478 SGEKTDTKGTKSEQL
481 KTDTKGTKSEQLSNP

Function

Histone deacetylase that catalyzes the deacetylation of lysine residues on the N-terminal part of the core histones (H2A, H2B, H3 and H4) (PubMed:28497810). Histone deacetylation gives a tag for epigenetic repression and plays an important role in transcriptional regulation, cell cycle progression and developmental events (By similarity). Histone deacetylases act via the formation of large multiprotein complexes (By similarity). Forms transcriptional repressor complexes by associating with MAD, SIN3, YY1 and N-COR (PubMed:12724404). Component of a RCOR/GFI/KDM1A/HDAC complex that suppresses, via histone deacetylase (HDAC) recruitment, a number of genes implicated in multilineage blood cell development (By similarity). Acts as a component of the histone deacetylase NuRD complex which participates in the remodeling of chromatin (PubMed:16428440, PubMed:28977666). Component of the SIN3B complex that represses transcription and counteracts the histone acetyltransferase activity of EP300 through the recognition H3K27ac marks by PHF12 and the activity of the histone deacetylase HDAC2 (PubMed:37137925). Also deacetylates non-histone targets: deacetylates TSHZ3, thereby regulating its transcriptional repressor activity (PubMed:19343227). May be involved in the transcriptional repression of circadian target genes, such as PER1, mediated by CRY1 through histone deacetylation (By similarity). Involved in MTA1-mediated transcriptional corepression of TFF1 and CDKN1A (PubMed:21965678). In addition to protein deacetylase activity, also acts as a protein-lysine deacylase by recognizing other acyl groups: catalyzes removal of (2E)-butenoyl (crotonyl), lactoyl (lactyl) and 2-hydroxyisobutanoyl (2-hydroxyisobutyryl) acyl groups from lysine residues, leading to protein decrotonylation, delactylation and de-2-hydroxyisobutyrylation, respectively (PubMed:28497810, PubMed:29192674, PubMed:35044827)

Protein Sequence

10 MAYSQGGGKK 20 KVCYYYDGDI 30 GNYYYGQGHP 40 MKPHRIRMTH 50 NLLLNYGLYR 60 KMEIYRPHKA 70 TAEEMTKYHS 80 DEYIKFLRSI 90 RPDNMSEYSK 100 QMQRFNVGED 110 CPVFDGLFEF 120 CQLSTGGSVA 130 GAVKLNRQQT 140 DMAVNWAGGL 150 HHAKKSEASG 160 FCYVNDIVLA 170 ILELLKYHQR 180 VLYIDIDIHH 190 GDGVEEAFYT 200 TDRVMTVSFH 210 KYGEYFPGTG 220 DLRDIGAGKG 230 KYYAVNFPMR 240 DGIDDESYGQ 250 IFKPIISKVM 260 EMYQPSAVVL 270 QCGADSLSGD 280 RLGCFNLTVK 290 GHAKCVEVVK 300 TFNLPLLMLG 310 GGGYTIRNVA 320 RCWTYETAVA 330 LDCEIPNELP 340 YNDYFEYFGP 350 DFKLHISPSN 360 MTNQNTPEYM 370 EKIKQRLFEN 380 LRMLPHAPGV 390 QMQAIPEDAV 400 HEDSGDEDGE 410 DPDKRISIRA 420 SDKRIACDEE 430 FSDSEDEGEG 440 GRRNVADHKK 450 GAKKARIEED 460 KKETEDKKTD 470 VKEEDKSKDN 480 SGEKTDTKGT KSEQLSNP

Gene Ontology

Classification GO ID Description
Cellular Component GO:0000785 chromatin
Cellular Component GO:0000781 chromosome, telomeric region
Cellular Component GO:0005737 cytoplasm
Cellular Component GO:0035098 ESC/E(Z) complex
Cellular Component GO:0000118 histone deacetylase complex
Cellular Component GO:0005654 nucleoplasm
Cellular Component GO:0005634 nucleus
Cellular Component GO:0016581 NuRD complex
Cellular Component GO:0032991 protein-containing complex
Cellular Component GO:0070822 Sin3-type complex
Molecular Function GO:0003682 chromatin binding
Molecular Function GO:0019899 enzyme binding
Molecular Function GO:0031072 heat shock protein binding
Molecular Function GO:0042393 histone binding
Molecular Function GO:0004407 histone deacetylase activity
Molecular Function GO:0141221 histone deacetylase activity, hydrolytic mechanism
Molecular Function GO:0042826 histone deacetylase binding
Molecular Function GO:0160009 histone decrotonylase activity
Molecular Function GO:0051059 NF-kappaB binding
Molecular Function GO:1990841 promoter-specific chromatin binding
Molecular Function GO:0160010 protein de-2-hydroxyisobutyrylase activity
Molecular Function GO:0033558 protein lysine deacetylase activity
Molecular Function GO:0160216 protein lysine delactylase activity
Molecular Function GO:0003723 RNA binding
Molecular Function GO:0061629 RNA polymerase II-specific DNA-binding transcription factor binding
Molecular Function GO:0001221 transcription coregulator binding
Biological Process GO:0048149 behavioral response to ethanol
Biological Process GO:0003300 cardiac muscle hypertrophy
Biological Process GO:1903351 cellular response to dopamine
Biological Process GO:0034605 cellular response to heat
Biological Process GO:0070301 cellular response to hydrogen peroxide
Biological Process GO:0071300 cellular response to retinoic acid
Biological Process GO:0071560 cellular response to transforming growth factor beta stimulus
Biological Process GO:0006338 chromatin remodeling
Biological Process GO:0032922 circadian regulation of gene expression
Biological Process GO:0016358 dendrite development
Biological Process GO:0006351 DNA-templated transcription
Biological Process GO:0042733 embryonic digit morphogenesis
Biological Process GO:0009913 epidermal cell differentiation
Biological Process GO:0061029 eyelid development in camera-type eye
Biological Process GO:0061198 fungiform papilla formation
Biological Process GO:0060789 hair follicle placode formation
Biological Process GO:0031507 heterochromatin formation
Biological Process GO:0043066 negative regulation of apoptotic process
Biological Process GO:0030336 negative regulation of cell migration
Biological Process GO:0061000 negative regulation of dendritic spine development
Biological Process GO:0045892 negative regulation of DNA-templated transcription
Biological Process GO:0010977 negative regulation of neuron projection development
Biological Process GO:1902455 negative regulation of stem cell population maintenance
Biological Process GO:0010944 negative regulation of transcription by competitive promoter binding
Biological Process GO:0000122 negative regulation of transcription by RNA polymerase II
Biological Process GO:0030512 negative regulation of transforming growth factor beta receptor signaling pathway
Biological Process GO:0042475 odontogenesis of dentin-containing tooth
Biological Process GO:0008284 positive regulation of cell population proliferation
Biological Process GO:0045893 positive regulation of DNA-templated transcription
Biological Process GO:0010718 positive regulation of epithelial to mesenchymal transition
Biological Process GO:0032732 positive regulation of interleukin-1 production
Biological Process GO:0033148 positive regulation of intracellular estrogen receptor signaling pathway
Biological Process GO:1902437 positive regulation of male mating behavior
Biological Process GO:0048714 positive regulation of oligodendrocyte differentiation
Biological Process GO:0045862 positive regulation of proteolysis
Biological Process GO:1902459 positive regulation of stem cell population maintenance
Biological Process GO:0045944 positive regulation of transcription by RNA polymerase II
Biological Process GO:0032760 positive regulation of tumor necrosis factor production
Biological Process GO:0050847 progesterone receptor signaling pathway
Biological Process GO:0042659 regulation of cell fate specification
Biological Process GO:0045995 regulation of embryonic development
Biological Process GO:2000736 regulation of stem cell differentiation
Biological Process GO:0001975 response to amphetamine
Biological Process GO:1904645 response to amyloid-beta
Biological Process GO:0031000 response to caffeine
Biological Process GO:0042220 response to cocaine
Biological Process GO:0055093 response to hyperoxia
Biological Process GO:0032496 response to lipopolysaccharide
Biological Process GO:0035094 response to nicotine
Biological Process GO:0009410 response to xenobiotic stimulus

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] 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.

[4] 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.

[5] 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.

[6] Chao L, Xu Y, Yang Y, Ao X, Liang J. Identification of lactylation-related biomarkers for diagnosis, prognosis, and treatment responsiveness in triple-negative breast cancer.. World J Surg Oncol 24(1):77. 2026 Jan 22. PMID: 41566505.

[7] 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.