- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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AFF4 Antibody / AF4/FMR2 Family Member 4 Antibody recognizes AFF4, a nuclear transcriptional regulatory protein that functions as a central scaffold of the Super Elongation Complex (SEC). AFF4 coordinates the assembly of multiple transcription elongation factors, including positive transcription elongation factor b (P-TEFb), ELL proteins, and additional SEC components, enabling efficient RNA polymerase II-mediated transcriptional elongation. Through this scaffolding function, AFF4 plays an essential role in regulating gene expression programs required for normal cellular growth, differentiation, and development. NSJ Bioreagents provides AFF4 Antibody / AF4/FMR2 Family Member 4 Antibody for researchers studying transcriptional regulation and chromatin-associated protein complexes.
AFF4 is predominantly localized within the nucleus, where it facilitates the transition of RNA polymerase II from promoter-proximal pausing into productive transcription elongation. The Super Elongation Complex is particularly important for genes that require rapid and tightly regulated expression, including developmental regulators and stress-responsive genes. Because AFF4 organizes multiple SEC components into a functional complex, disruption of its expression or activity can influence broad transcriptional networks and alter cellular responses to developmental and environmental signals.
Interest in AFF4 has expanded because abnormal transcription elongation contributes to cancer, developmental disorders, and viral gene expression. AFF4 and other SEC proteins have been implicated in leukemias involving mixed-lineage leukemia (MLL, also called KMT2A) rearrangements, where aberrant recruitment of the SEC promotes dysregulated transcription of oncogenic target genes. AFF4 has also been investigated in studies of embryonic development, stem cell biology, and host-pathogen interactions, making it an important target for understanding mechanisms of gene regulation and transcriptional control.
An AFF4 Antibody is a valuable research tool for investigating AF4/FMR2 Family Member 4 expression, Super Elongation Complex assembly, RNA polymerase II transcription elongation, chromatin-associated protein interactions, and transcriptional regulation in normal physiology and disease.
Explore our Transcription Factor Antibodies page to discover additional antibodies for investigating gene regulation, chromatin-associated proteins, transcriptional complexes, and nuclear signaling pathways.
Optimal dilution of the AFF4 Antibody / AF4/FMR2 Family Member 4 Antibody should be determined by the researcher.
Amino acids 6-53 (RNVLRMKERERRNQEIQQGEDAFPPSSPLFAEPYKVTSKEDKLSSRIQ-human) were used as the immunogen for the AFF4 antibody.
After reconstitution, the AFF4 antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
AFF4 antibody, AF4/FMR2 Family Member 4 antibody, MLLT5-Associated Factor 1 antibody
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