title: A second class of immunoglobulin in the cartilaginous fishes.
mesh_terms: D000818:Animals; D003429:Cross Reactions; D005399:Fishes / Q000276:immunology*; D007136:Immunoglobulins / Q000145:classification* / Q000302:isolation & purification; D008970:Molecular Weight; D010802:Phylogeny; D011487:Protein Conformation; D013045:Species Specificity
chemical_list: D007136:Immunoglobulins