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This antibody does not detect J chain in intact IgM in ELISA Assays due to steric hindrance. In Western Blotting techniques MA1-80527 detects J chain in IgM only under reducing conditions.
Mouse anti Human J chain antibody, clone Mc19-9 reacts with human J chain as tested by ELISA using purified human Ig fragments as the solid phase target antigen.
J chain is a small glycopeptide and is structurally unrelated to heavy or light chains, but is synthesized by all plasma cells that secrete polymeric immunoglobulins. J chain is linked to IgA and IgM by disulfide bonds, however, it has been detected in IgG- and IgD-containing cells. J chains are present in a large proportion of the immunoglobulin-positive cells in the germinal centers of the tonsil and lymph node. B cells secrete J chain at an early stage of differentiation with the expression persisting in those cells destined to produce IgA or IgM.
仅用于科研。不用于诊断过程。未经明确授权不得转售。
蛋白别名: IgJ chain; Immunoglobulin J chain; immunoglobulin J polypeptide, linker protein for immunoglobulin alpha and mu polypeptides; J chain; Joining chain of multimeric IgA and IgM
基因别名: IGCJ; IGJ; JCH; JCHAIN
UniProt ID: (Human) P01591
Entrez Gene ID: (Human) 3512