- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
NFKBIB Antibody / IkB Beta (FY13204)
Email: info@nsjbio.com
| Catalog No | Formulation | Size | Price (USD) | ||
|---|---|---|---|---|---|
|
FY13204 | Adding 0.2 ml of distilled water will yield a concentration of 500 ug/ml | 100 ug | 439 |
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NFKBIB antibody detects Nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor beta, commonly known as IkB beta, a cytoplasmic protein that regulates NF-kappaB signaling by sequestering transcription factors in an inactive state. The UniProt recommended name is NF-kappaB inhibitor beta (NFKBIB). This regulatory protein acts as part of the I-kappaB family, which maintains NF-kappaB dimers in the cytoplasm under resting conditions, preventing their nuclear translocation and transcriptional activation of inflammatory genes.
Functionally, NFKBIB antibody identifies a 359-amino-acid protein containing six ankyrin repeats that mediate high-affinity binding to NF-kappaB subunits such as RELA (p65) and NFKB1 (p50). Upon cellular stimulation by cytokines, stress, or microbial components, NFKBIB undergoes phosphorylation by IKK kinases, followed by ubiquitination and proteasomal degradation. This releases NF-kappaB dimers, allowing them to enter the nucleus and activate transcription of immune, survival, and stress-response genes. The subsequent resynthesis of IkB beta provides negative feedback to terminate NF-kappaB signaling, restoring homeostasis.
The NFKBIB gene is located on chromosome 19q13.2 and is expressed broadly in immune, epithelial, and neuronal tissues. Its expression is dynamically regulated by inflammatory stimuli, making it a critical component of feedback loops that control cytokine production and immune tolerance.
Pathologically, dysregulation of NFKBIB contributes to chronic inflammation, autoimmune disorders, and cancer. Mutations or reduced degradation can suppress immune activation, while excessive turnover enhances NF-kappaB signaling and proinflammatory gene expression. Research using NFKBIB antibody supports studies in transcriptional regulation, inflammatory signaling, and tumor biology.
NFKBIB antibody is validated for western blotting, immunofluorescence, and immunohistochemistry to detect I-kappaB family proteins and NF-kappaB signaling regulators. NSJ Bioreagents provides NFKBIB antibody reagents optimized for use in immune signaling, inflammation, and transcription factor research.
Structurally, NF-kappaB inhibitor beta contains a signal response domain near the N-terminus for IKK-mediated phosphorylation and a C-terminal ankyrin repeat domain that anchors NF-kappaB subunits. This antibody enables the study of IkB betas role in feedback regulation of NF-kappaB activity and immune homeostasis.
Optimal dilution of the NFKBIB antibody should be determined by the researcher.
E.coli-derived human IkB Beta/NFKBIB recombinant protein (Position: T96-V356) was used as the immunogen for the NFKBIB antibody.
After reconstitution, the NFKBIB antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
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