A protein complex composed of two identical immunoglobulin heavy chains of the IgZ isotype and two identical immunoglobulin light chains, held together by disulfide bonds. The IgZ isotype is also known as the IgT isotype in certain species of fish.
Source:ISBN:0781765196,
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Comment
Note that an IgZ immunoglobulin complex has the function of antigen binding if a suitable antigen is available. Note that IgZ is found in bony fish, and called IgT in certain species, such as trout.