Detection of Human Phospho-IkB‑ alpha (S32/S36) by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line untreated (-) or treated (+) with 20 ng/mL Recombinant Human TNF‑ alpha (Catalog # 210-TA) for 5 minutes. PVDF membrane was probed with 1 µg/mL Rabbit Anti-Human Phospho-IkB‑ alpha (S32/S36) Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4809) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band for Phospho-IkB‑ alpha (S32/S36) was detected at approximately 44 kDa (as indicated). For additional reference, duplicate lysates were probed with 0.1 µg/mL Human IkB‑ alpha Monoclonal Antibody (lower panel, Catalog # MAB4299). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
NF kappa B inhibitor alpha (IkB‑ alpha ) inhibits the NF kappa B complex by binding and sequestering it in the cytoplasm. Upon stimulation, IkB‑ alpha is phosphorylated on serine residues 32 and 36 marking it for degradation by the ubiquitin pathway. Following IkB‑ alpha degradation, the NF kappa B complex is able to translocate to the nucleus and activate transcription.
Entrez Gene IDs:
4792 (Human); 18035 (Mouse); 25493 (Rat)
alpha; I-kappa-B-alpha; IkappaBalphaNF-kappa-B inhibitor alpha; IKBAikB-alpha; IkBalpha; IkB-alpha; MAD3; MAD-3; Major histocompatibility complex enhancer-binding protein MAD3; NFKBI; NFKBIA; nuclear factor of kappa light chain gene enhancer in B-cells; nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor
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