Purity：Purified by Protein A affinity chromatography from ascites.
Form：Supplied as a liquid in TBS, 0.09% sodium azide.
Specificity：Recognizes human secretory-piece and secretory IgA. No reaction against myeloma IgA (native or reduced and alkylated). Negative against normal human IgM, myeloma IgM, normal human IgG; free kappa or gamma chains and J-chain. Typical pattern on frozen and paraffin embedded sections of intestinal and breast tissue.
