In the field of molecular biology and proteomi by Y Xiao·2025·Cited by 1—We describe steps forsolid-phase peptide synthesis of H4R40C(1–42), recombinant expression and purification of H4(41–102), expression and purification of. eSrt Read more cs, few structures are as fundamental as the core histones. Among these, histone h4 peptide sequence analysis provides critical insights into the architecture of chromatin. As someone who frequently works with bi Analysis of Histones H3 and H4 Reveals Novel ochemical standards and research-grade pr A Biotinylated peptide corresponding to amino acids 1 - 21 of Histone H4 Peptide. Source: Synthetic peptide. Amino Acid Sequence:MSGRGKGGKGLGKGGAKRHRK. Protein Read more oteins, I have found that understanding the precise arrangement of these amino acids is essential for interpreting experimental outcomes in structural biology.
The Structural Foundation of Histone H4
Histone H4 is a core component of the nucleosome, the primary unit of chromatin in eukaryotic cells. Its importance is underscored by its high degree of conservation across species. Structurally, it functions alongside H2A, H2B, and H3 to form the octameric spool around which DNA winds. When examining the histone h4 peptide sequence, we often focus on the N-terminal tail, which is a major site for post-translational modifications.
For researchers utilizing synthet by DY Lee·2009·Cited by 175—Peptide sequence, Sequence coverage (%).Histone H4, NP_778224.1/, ISGLIYEETR For a positive control, the recombinant histone H4 peptide (Biolabs, New England) Read more ic variants, the amino acid residues 1-21 of histone H4 are frequently used as a standard. The canonical sequence for this N-terminal region is often represented as: MSGRGKGGKGLGKGGAKRHRK. In some specific applications, this may be extended to SGRGKGGKGLGKGGAKRHRKV to encompass the full reach of the tail domain.
Technical Insights and Research Applications
The study of this protein often involves complex methodologies. For instance, the solid-phase peptide synthesis of H4R40C(1–42) has become a standard protocol for t (A) TheH4 histonetailsequence, including residue In chromatin, repeating nucleosome units wrap 145–147 DNA basepairs aroundhistoneproteins.Read more hose investigating the interaction between histones and their regulatory partners.
From my own experience with laboratory materials, here are key observations regarding the peptide:
* Recognition and Binding: The p55, a predicted WD40 repeat protein, serves as an excellent example of how specific cellular machinery identifies the H4 histone tail. The structural basis for this interaction involves a binding pocket tha histone H4 mRNA, sharing the C-terminal sequenceALKRQGRTLYGFGGof histone H4. Translation is initiated at the 85th amino acid of the histone H4 mRNA Read more t stabilizes the peptide, a mechanism critical for chromatin assembly.
* Sequence Variations: While the primary sequence is remarkably stable, researchers often look for specific markers like H4K91ub (monoubiquitination at Lys-92) to understand how the protein responds to environmental stressors or DNA damage.
* Diverse Fragments: Depending on the experimental goal, one might source Histone H4 (8-30) peptides or longer chains to test methyltransferase activity or antibody specificity.
Why the Sequence Matters
The sequence of H4 is not merely a string of letters; it dictates the functiona 1 Jul 2008—Protein. Histone H4· Gene. HIST1H4L · Status. UniProtKB unreviewed (TrEMBL) · Organism. Homo sapiens (Human) · Amino acids. 103 (go to sequence).Read more l landscape of the genome. The HIST2H4A gene / cDNA is a protein-coding gene that ensures the consistent production of this vital protein. Whether one is evaluating Histone H4, NP_778224.1/, ISGLIYEETR for mass spectrometry calibrati Histone H4 (8-30) peptides on or using it as a substrate for enzymatic assays, the integrity of the peptide is paramount.
When reviewing Histone H4 is an important protein in the structure and function of chromatin, it is clear that its role as a core histone protein remains a cornerstone of cellular biology. The C-terminal region, characterized by the sequence ALKRQGRTLYGFGG, completes the globular domain, providing stability to the nucleosome particle.
Final Thoughts on Working with Histone Peptides
In my personal exploration of these materials, I have found that the H4 (histone 4) is a core histone protein that requires careful handling. Whether you are working with Histones H2A, H2B, H3 and H4 are the core histones or specifically isolating H4 for structural analysis, the consistency of the amino acid composition ensures that your data remains reproducible. Belongs to the histone H4 family, this protein continues to be a subject of intense study, and its Histone H4 is one of the core components of the nucleosome status ensures it will remain a primary focus for years to come.
By maintaining a rigorous focus on the histone H4 primary structure, we can better appreciate the complex, elegant, and highly conserved nature of the machinery that packages our genetic information.