H4C2 (Histone H4) Drug Discovery Landscape & Assay Solutions

Epigenetic Research & Inflammatory Disease Applications: High-Purity Chromatin Reagents and Assay Development Tools

TarMart Solution Ecosystem & Related Targets

Comprehensive reagent toolkit for H4C2-centered epigenetic and inflammation research. Select your research modality below:

Component / Network Product Description Product Link
Native Antigen H4C2 Recombinant Histone H4 Protein; High purity (>95%), Sequence Verified, Endotoxin <1EU/μg. Suitable for nucleosome assembly. View H4C2 Products
Modified Antigen H4C2 PTM Variants (H4K20me3, H4Ac); Site-specifically modified, Mass Spec verified. For reader/writer enzyme assays. View H4C2 Products
Gene Delivery H4C2 Premade Lentivirus / Promise-ORF; Full-length ORF with N-terminal FLAG tag for stable cell line generation. View H4C2 Products
Detection / Benchmark Ab Anti-H4C2 Monoclonal Antibody; Recombinant rabbit mAb, validated for ChIP and Western Blot. View H4C2 Products
Functional Validation (siRNA) H4C2 siRNA Set (3 unique sequences); For knockdown and specificity verification in chromatin assays. View H4C2 Products
Epigenetic Writer DOT1L (H3K79 Methyltransferase); Enzyme for histone modification assays. View DOT1L Products
Epigenetic Eraser HDAC1 (Histone Deacetylase); Key enzyme for H4 deacetylation studies. View HDAC1 Products
Epigenetic Reader BRD4 (Bromodomain-containing Protein); H4 acetylation mark reader protein. View BRD4 Products
Related Target A EZH2; Epigenetic writer interacting with histone modifications. View EZH2 Products
Critical Assay Challenge The TarMart Advantage (Technical Spec)
Enzymatic Assay Interference High Purity (>95%) strictly verified, avoiding off-target epigenetic modifications.
Isoform Homology Screening Sequence Verified proteins ensuring exact histone cluster 2 sequence fidelity.
Nucleosome Assembly Complexity Octamer-quality H4C2 protein with verified folding; compatible with H2A/H2B/H3 refolding protocols.
PTM Site Specificity Homogeneous modifications (mono/di/tri-methyl lysine 20) validated by high-resolution mass spectrometry.
Extracellular vs Nuclear Detection Conformation-specific antibodies distinguishing soluble H4 from chromatin-bound forms.
Cross-Reactivity with H4 Variants Sequence alignment verified against H4F/H4H isoforms; >99% identity coverage.
Lack of Controls Clinical Benchmark Antibodies included.
False Positives Validated siRNA included for specificity checks.

Live H4C2 R&D Tracker

Access the latest global research on histone H4 in epigenetics and inflammatory diseases:

Global Research Landscape & Therapeutic Outlook

The targeting of H4C2 (Histone H4) represents a dual-frontier opportunity in modern drug discovery: (1) as a substrate for epigenetic enzyme inhibitors targeting writers/erasers of H4 post-translational modifications, and (2) as a Damage-Associated Molecular Pattern (DAMP) in acute inflammatory conditions where extracellular histone H4 drives toxicity. The race for H4C2-relevant therapeutics is intensifying, with major players shifting focus from traditional generic inhibitors to targeted epigenetic modulators (e.g., Epizyme, Constellation) and antibody-mediated neutralization of circulating histone H4 for sepsis and acute lung injury. As first-generation therapies reach the clinic, the next wave targets highly specific reader/writer complexes and overcomes acquired resistance in solid tumors and hematological malignancies. Current R&D focuses heavily on biochemical assays for methyltransferase and deacetylase inhibitor screening using highly purified, site-specifically modified H4 substrates, alongside advancing neutralizing antibody programs for inflammation.

Competitive Modality & Application Snapshot

Modality Research Focus / Indications Critical Assay Need (Why TarMart?)
Neutralizing mAb Extracellular H4 DAMPs (Sepsis, ARDS, Autoimmunity) Native unmodified H4 protein for binding assays
Small Molecule Inhibitors Epigenetic enzymes (Oncology, e.g. H4K20me loss) Modified H4 substrates (H4K20me3, H4Ac) for high-throughput screening
PROTACs Chromatin readers (Refractory Solid Tumors) Full-length nucleosome substrates with specific PTMs
siRNA/Antisense Rare genetic disorders Specific siRNA sets for knockdown validation
Biochemical Tools Nucleosome assembly (Mechanistic Biology) High-purity tetramer/octamer components