IgG2b immunoglobulin product blog Tags: Immunoglobulin; IgG2b; Immunoglobulin G2b; IgG2b immunoglobulin; Posted by mybiosource_staff on . The IgG2b n/a (Catalog #MBS592403) is an Immunoglobulin and is intended for research purposes only. The product is available for immediate purchase.To buy or view more detailed product information and pricing, please click on the technical datasheet page below:Mouse Immunoglobulin G2b (IgG2b)Description: Mouse Immunoglobulin G2b (IgG2b) is prepared from normal mouse serum and purified by Protein An affinity column.Reconstitution: Double distilled water is recommended to adjust the final concentration to 1.00mg/ml.