Acetyl-Histone H4 (Lys5) Antibody

About the Target

Acetyl-Histone H4 (Lys5) refers to the post-translationally modified form of histone H4 in which the lysine residue at position 5 on its N-terminal tail is acetylated. Histone H4 is a core component of the nucleosome, the fundamental unit of chromatin in eukaryotic cells, and consists of a globular histone fold domain for nucleosome assembly and an N-terminal tail rich in lysine residues (including Lys5, Lys8, Lys12, and Lys16) that are targets for dynamic acetylation. Depending on the literature source, H4 may also be discussed as Acetyl-Histone H4 (Lys5) and H4/A.

Reported cellular context includes chromosome, nucleosome core, and nucleus, which can matter when signal is compared across treatments or changing cell states. Following H4 across matched perturbations can help separate abundance effects from shifts in localization, complex assembly, or pathway state.

Research Context

H4 is commonly interpreted in the context of epigenetics research, and readouts are often stronger when a study separates expression changes from compartment-level redistribution. When reported signal spans chromosome, nucleosome core, and nucleus, a defined reference condition can make comparisons more interpretable across perturbations, passages, or replicate sets.

Consider these angles when interpreting target-level changes:

• apparent redistribution between chromosome, nucleosome core, and nucleus across matched conditions
• links between target behavior and transcriptional or chromatin-state changes
• differences between total target abundance and site-specific regulation when modified forms are compared
• co-patterning with orthogonal markers and control conditions that clarify pathway state

Variant Considerations

If your project spans exploratory questions, the regular version offers a balanced option for establishing baseline signal behavior for H4. This can help when protocols evolve over time and the goal is to compare experiments using a stable reference workflow.

Standardize sampling time, control choice, and downstream analysis thresholds so apparent differences in H4 reflect biology rather than handling. When interpreting H4, it is often useful to decide early whether the main question is overall abundance, compartmental enrichment, or context-dependent redistribution.

For multi-run studies, a shared reference condition can keep H4 trends easier to compare across datasets. That kind of consistency is especially helpful when follow-up work expands to new perturbations, model systems, or longitudinal collections.