Immunoglobulin A1, Myeloma is a native protein with ≥95% (SDS-PAGE), supplied frozen in a 1 mg pack. Molecular weight: 160 kDa. Immunoglobulin A1, Human Myeloma Plasma: 1 MG; Frozen in 10 mM phosphate, pH 7.4, 150 mM NaCl and 0.05% NaN3; MW 160,000; EC=1.32; Purity: > =95% by SDS-PAGE. Native; Prepared and purified from human myeloma plasma in the Athens Research & Tech lab. Common research applications include immunology, antibody characterization and assay development.