HIST1H4A (Ab-8) Antibody

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Description

Target and Specificity

The antibody targets the acetylated lysine 8 (K8) residue on histone H4, encoded by the HIST1H4A gene. Key features include:

PropertyDetails
ImmunogenPeptide sequence around K8 derived from human histone H4
SpecificityExclusively recognizes K8 acetylation; no cross-reactivity with other acetylated lysines (e.g., K5, K12, K16)
ReactivityHuman (primary); limited cross-reactivity with mouse and rat

Applications

Validated for multiple techniques in epigenetics and cell biology research:

ApplicationKey UsesDilution Ranges
Western Blot (WB)Detection of acetylated H4 in whole-cell lysates or histone extracts1:500–1:5,000
Immunofluorescence (IF)Nuclear staining in fixed cells (e.g., HeLa, glioma)1:1–1:10
Immunohistochemistry (IHC)Staining of paraffin-embedded tissues (e.g., glioma, placenta)1:10–1:100
Chromatin IP (ChIP)Identification of K8ac-enriched genomic regions in epigenetic studies5 µg per ChIP reaction
ELISAQuantification of acetylated H4 in solution or lysate samples1:1,000–1:5,000

Western Blotting

  • Detects a single band at ~11 kDa in HeLa cell lysates, corresponding to acetylated histone H4 .

  • Controls: Recombinant histone H4 (positive), unmodified histone H2A/H2B (negative) .

Immunofluorescence

  • Nuclear localization: Staining in HeLa cells confirms acetylation in euchromatin regions .

  • Blocking peptide validation: Loss of signal when incubated with acetylated K8 peptide .

Immunohistochemistry

  • Tissue-specific staining: Detected in human glioma and placental samples, highlighting acetylation patterns in pathologic and developmental contexts .

Chromatin Immunoprecipitation (ChIP)

  • Specific enrichment: Immunoprecipitated DNA from HeLa cells maps to active chromatin regions .

  • Negative controls: No signal with non-specific rabbit IgG .

Cross-Reactivity and Specificity

The antibody demonstrates stringent specificity for K8 acetylation, as evidenced by:

Acetylation SiteCross-ReactivitySource
K8Yes
K5No
K12No
K16No
K20No

Comparative Analysis with Other Anti-H4 Antibodies

AntibodyTargetClonalityKey ApplicationsSource
HIST1H4A (Ab-8)K8 acetylationPolyclonalWB, IF, IHC, ChIP
ab233193 (Abcam)K5 + K8 + K12 acetylationPolyclonalChIP-seq, WB, ICC
MAB9549 (R&D)K5 acetylationMonoclonalWB, ICC
ab10158 (Abcam)Pan-H4 (all forms)PolyclonalChIP, WB, IHC

Research Implications

  • Epigenetic studies: Used to map K8ac-enriched regions in chromatin, linking acetylation to transcriptional activation .

  • Cancer research: Detects acetylation patterns in glioma and breast carcinoma tissues, aiding in understanding tumor biology .

  • Drug development: Validates inhibitors of histone deacetylases (HDACs) that modulate K8 acetylation .

Vendor-Specific Information

VendorCatalog #Key Features
Biorbytorb517120Validated for ChIP, ELISA, IF, IHC, WB
AbbexaCAC15455Reactivity: Human, Mouse, Rat
BiomatikCAC15455Includes blocking peptide compatibility

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Typically, we are able to ship products within 1-3 business days after receiving your order. Delivery times may vary depending on the purchase method or location. Please consult your local distributor for specific delivery timeframes.
Synonyms
dJ160A22.1 antibody; dJ160A22.2 antibody; dJ221C16.1 antibody; dJ221C16.9 antibody; FO108 antibody; H4 antibody; H4.k antibody; H4/a antibody; H4/b antibody; H4/c antibody; H4/d antibody; H4/e antibody; H4/g antibody; H4/h antibody; H4/I antibody; H4/j antibody; H4/k antibody; H4/m antibody; H4/n antibody; H4/p antibody; H4_HUMAN antibody; H4F2 antibody; H4F2iii antibody; H4F2iv antibody; H4FA antibody; H4FB antibody; H4FC antibody; H4FD antibody; H4FE antibody; H4FG antibody; H4FH antibody; H4FI antibody; H4FJ antibody; H4FK antibody; H4FM antibody; H4FN antibody; H4M antibody; HIST1H4A antibody; HIST1H4B antibody; HIST1H4C antibody; HIST1H4D antibody; HIST1H4E antibody; HIST1H4F antibody; HIST1H4H antibody; HIST1H4I antibody; HIST1H4J antibody; HIST1H4K antibody; HIST1H4L antibody; HIST2H4 antibody; HIST2H4A antibody; Hist4h4 antibody; Histone 1 H4a antibody; Histone 1 H4b antibody; Histone 1 H4c antibody; Histone 1 H4d antibody; Histone 1 H4e antibody; Histone 1 H4f antibody; Histone 1 H4h antibody; Histone 1 H4i antibody; Histone 1 H4j antibody; Histone 1 H4k antibody; Histone 1 H4l antibody; Histone 2 H4a antibody; histone 4 H4 antibody; Histone H4 antibody; MGC24116 antibody
Target Names
HIST1H4A
Uniprot No.

Target Background

Function
Histone H4 is a core component of nucleosomes. Nucleosomes function to package and compact DNA into chromatin, thus restricting DNA accessibility to cellular machinery that utilize DNA as a template. Consequently, histones play a critical role in regulating transcription, DNA repair, DNA replication, and chromosomal stability. DNA accessibility is regulated through a complex interplay of post-translational modifications of histones, also known as the histone code, and nucleosome remodeling.
Gene References Into Functions
  1. Research indicates that PP32 and SET/TAF-Ibeta proteins inhibit HAT1-mediated H4 acetylation. PMID: 28977641
  2. Data suggest that post-translational modifications of histones, trimethylation of lysine 36 in H3 (H3K36me3) and acetylation of lysine 16 in H4 (H4K16ac), are involved in DNA damage repair. H3K36me3 stimulates H4K16ac upon DNA double-strand breaks. SETD2, LEDGF, and KAT5 are necessary for these epigenetic changes. (SETD2 = SET domain containing 2; LEDGF = lens epithelium-derived growth factor; KAT5 = lysine acetyltransferase 5) PMID: 28546430
  3. Data show that Omomyc protein co-localized with proto-oncogene protein c-myc (c-Myc), protein arginine methyltransferase 5 (PRMT5), and histone H4 H4R3me2s-enriched chromatin domains. PMID: 26563484
  4. H4K12ac is regulated by estrogen receptor-alpha and is associated with BRD4 function and inducible transcription PMID: 25788266
  5. Systemic lupus erythematosus appears to be linked to an imbalance in histone acetyltransferases and histone deacetylase enzymes, favoring pathological H4 acetylation. PMID: 25611806
  6. Sumoylated human histone H4 inhibits chromatin compaction by preventing long-range internucleosomal interactions. PMID: 25294883
  7. Acetylation at lysine 5 of histone H4 is associated with lytic gene promoters during reactivation of Kaposi's sarcoma-associated herpesvirus. PMID: 25283865
  8. An increase in histone H4 acetylation caused by hypoxia in human neuroblastoma cell lines corresponds to increased levels of N-myc transcription factor in these cells. PMID: 24481548
  9. Data indicate that G1-phase histone assembly is restricted to CENP-A and H4. PMID: 23363600
  10. This study investigated the distribution of a specific histone modification, H4K12ac, in human sperm and characterized its specific enrichment sites in promoters across the entire human genome. PMID: 22894908
  11. SRP68/72 heterodimers are major nuclear proteins whose binding of histone H4 tail is inhibited by H4R3 methylation. PMID: 23048028
  12. TNF-alpha inhibition of AQP5 expression in human salivary gland acinar cells is attributed to an epigenetic mechanism by suppression of acetylation of histone H4. PMID: 21973049
  13. Our data suggest that global histone H3 and H4 modification patterns are potential markers of tumor recurrence and disease-free survival in non-small cell lung cancer PMID: 22360506
  14. HAT1 differentially impacts nucleosome assembly of H3.1-H4 and H3.3-H4. PMID: 22228774
  15. Phosphorylation of histone H4 Ser 47 catalyzed by the PAK2 kinase promotes nucleosome assembly of H3.3-H4 and inhibits nucleosome assembly of H3.1-H4 by increasing the binding affinity of HIRA to H3.3-H4 and reducing association of CAF-1 with H3.1-H4 PMID: 21724829
  16. The imatinib-induced hemoglobinization and erythroid differentiation in K562 cells are associated with global histone H4 PMID: 20949922
  17. Our findings reveal the molecular mechanisms by which the DNA sequences within specific gene bodies are sufficient to nucleate the monomethylation of histone H4 lysine 200, which, in turn, reduces gene expression by half. PMID: 20512922
  18. Downregulated by zinc and upregulated by docosahexaenoate in a neuroblastoma cell line. PMID: 19747413
  19. Low levels of histone acetylation are associated with the development and progression of gastric carcinomas, possibly through alteration of gene expression PMID: 12385581
  20. Overexpression of MTA1 protein and acetylation level of histone H4 protein are closely related PMID: 15095300
  21. Peptidylarginine deiminase 4 regulates histone Arg methylation by converting methyl-Arg to citrulline and releasing methylamine; data suggest that PAD4 mediates gene expression by regulating Arg methylation and citrullination in histones PMID: 15345777
  22. Lack of biotinylation of K12 in histone H4 is an early signaling event in response to double-strand breaks PMID: 16177192
  23. Incorporation of acetylated histone H4-K16 into nucleosomal arrays inhibits the formation of compact 30-nanometer-like fibers and impedes the ability of chromatin to form cross-fiber interactions PMID: 16469925
  24. Apoptosis is associated with global DNA hypomethylation and histone deacetylation events in leukemia cells. PMID: 16531610
  25. BTG2 contributes to retinoic acid activity by favoring differentiation through a gene-specific modification of histone H4 arginine methylation and acetylation levels. PMID: 16782888
  26. Relationship between histone H4 modification, epigenetic regulation of BDNF gene expression, and long-term memory for extinction of conditioned fear. PMID: 17522015
  27. H4 tail and its acetylation have novel roles in mediating recruitment of multiple regulatory factors that can change chromatin states for transcription regulation PMID: 17548343
  28. Brd2 bromodomain 2 is monomeric in solution and dynamically interacts with H4-AcK12; additional secondary elements in the long ZA loop may be a common characteristic of BET bromodomains. PMID: 17848202
  29. Spermatids Hypac-H4 impairment in mixed atrophy did not deteriorate further by AZFc region deletion. PMID: 18001726
  30. The SET8 and PCNA interaction couples H4-K20 methylation with DNA replication PMID: 18319261
  31. H4K20 monomethylation and PR-SET7 are essential for L3MBTL1 function PMID: 18408754
  32. High expression of acetylated H4 is more prevalent in aggressive than indolent cutaneous T-cell lymphoma. PMID: 18671804
  33. Our findings indicate a significant role of histone H4 modifications in bronchial carcinogenesis PMID: 18974389
  34. Results indicate that acetylation of histone H4 K16 during S-phase enables early replicating chromatin domains to acquire the H4K16ac-K20me2 epigenetic label, which persists on the chromatin throughout mitosis and is deacetylated in early G1-phase of the subsequent cell cycle PMID: 19348949
  35. Acetylated H4 is overexpressed in diffuse large B-cell lymphoma and peripheral T-cell lymphoma compared to normal lymphoid tissue. PMID: 19438744
  36. The release of histone H4 by holocrine secretion from the sebaceous gland may play a crucial role in innate immunity. PMID: 19536143
  37. Histone modification, including PRC2-mediated repressive histone marker H3K27me3 and active histone marker acH4, may be involved in CD11b transcription during HL-60 leukemia cells reprogramming to terminal differentiation PMID: 19578722
  38. A role of Cdk7 in regulating elongation is further suggested by enhanced histone H4 acetylation and diminished histone H4 trimethylation on lysine 36—two marks of elongation—within genes when the kinase was inhibited. PMID: 19667075
  39. Data showed the dynamic fluctuation of histone H4 acetylation levels during mitosis, as well as acetylation changes in response to structurally distinct histone deacetylase inhibitors. PMID: 19805290
  40. Data directly implicate BBAP in the monoubiquitylation and additional posttranslational modification of histone H4 and an associated DNA damage response. PMID: 19818714

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Database Links

HGNC: 4781

OMIM: 142750

KEGG: hsa:121504

STRING: 9606.ENSP00000367034

UniGene: Hs.143080

Involvement In Disease
Chromosomal aberrations involving HISTONE H4 is a cause of B-cell non-Hodgkin lymphomas (B-cell NHL). Translocation t(3;6)(q27;p21), with BCL6.
Protein Families
Histone H4 family
Subcellular Location
Nucleus. Chromosome.

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