antibodies to IMMUNOGLOBULIN A; IMMUNOGLOBULIN G; etc. = ANTIBODIES, ANTI-IDIOTYPIC (IM) + IMMUNOGLOBULIN A; IMMUNOGLOBULIN G; etc. (IM); ANTIBODY-TOXIN CONJUGATES is available as toxin carrier: see note there

Immunoglobulin molecules having a specific amino acid sequence by virtue of which they interact only with the ANTIGEN (or a very similar shape) that induced their synthesis in cells of the lymphoid series (especially PLASMA CELLS).