IgA immunoglobulin complex, circulating (GO:0071746)

A protein complex composed of two identical immunoglobulin heavy chains of an IgA isotype and two identical immunoglobulin light chains, held together by disulfide bonds, sometimes complexed with J chain or J chain and secretory component and present in the extracellular space, in mucosal areas or other tissues, or circulating in the blood or lymph. Notes: - Note that an IgA immunoglobulin complex has the function of antigen binding if a suitable antigen is available.

Specific

monomeric IgA immunoglobulin complex (GO:0071748) polymeric IgA immunoglobulin complex (GO:0071749)

General

IgA immunoglobulin complex (GO:0071745) immunoglobulin complex, circulating (GO:0042571)

References

gene ontology: GO:0071746 PMID: 16362985