NFKB p50 (NFKB1) Control Peptide is intended for use as a control peptide when used with anti-Human NFkB p50 (NFKB1) to block specific interaction of anti-Human NFkB p50 (NFKB1) with the Human NFkB p50 (NFKB1) subunit. NFKB p50 (NFKB1) Control Peptide should be used at 1.0 µg per 1.0 µl of antiserum in assay.