NELFe Antibody

About the Target

NELFe (Negative Elongation Factor E) is a key component of the NELF complex that regulates transcriptional pausing by inhibiting RNA polymerase II (Pol II) elongation. It is a 380-amino-acid protein encoded by the NELFE gene and contains an N-terminal leucine zipper (LZ) motif for dimerization, a central Arg-Asp-rich (RD) domain, and a C-terminal RNA recognition motif (RRM) that preferentially binds RNA over DNA.

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

Research Context

NELFE is commonly interpreted in the context of dna damage / repair research, and readouts are often stronger when a study separates expression changes from compartment-level redistribution. When reported signal spans chromosome 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 and nucleus across matched conditions
• stress-induced changes after checkpoint activation or genotoxic challenge
• co-patterning with orthogonal markers and control conditions that clarify pathway state
• time-matched comparisons so changes reflect biology rather than handling or sampling drift

Variant Considerations

If your project spans exploratory questions, the regular version offers a balanced option for establishing baseline signal behavior for NELFE. 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 NELFE reflect biology rather than handling. When interpreting NELFE, 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 NELFE 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.