Which B-cell receptor (BCR) isotypes can be detected by the sCircle BCR kit?Home FAQ Single Cell Kits sCircle Single Cell Full-Length TCR/BCR sequencing Which B-cell receptor (BCR) isotypes can be detected by the sCircle BCR kit?sCircle® Single Cell Full-Length BCR Kit is designed to identify and distinguish the five major immunoglobulin isotypes (IgA, IgD, IgG, IgE and IgM) in human and mouse samples.Customized species-specific solutions may be available upon request to enable BCR profiling in other species, including rabbits and monkeys.