Description：Rabbit polyclonal antibody to NF-kappaB p105 (Phospho-S903)Immunogen：KLH-conjugated synthetic phosphopeptide corresponding to residues surrounding S903 of human NF-kappaB p105 protein. The exact sequence is proprietary.Purification：The antibody was purified by immunogen affinity chromatography.Clonality：PolyclonalForm：Liquid in 0.42% Potassium phosphate, 0.87% Sodium chloride, pH 7.3, 30% glycerol, and 0.01% sodium azide.Dilution：WB (1/500 - 1/1000)Gene Symbol：NFKB1Alternative Names：Nuclear factor NF-kappa-B p105 subunit; DNA-binding factor KBF1; EBP-1; Nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 Entrez Gene (Human)： 4790; SwissProt (Human)： P19838; SwissProt (Rat)： Q63369; Storage/Stability：Shipped at 4°C. Upon delivery aliquot and store at -20°C for one year. Avoid freeze/thaw cycles.

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  Western blot analysis of NF-kappaB p105 (Phospho-S903) expression in MCF7-TNFa (A), rat spleen (B) whole cell lysates. (Predicted band size: 105 kD; Observed band size: 120 kD)