A protein complex that in its canonical form is composed of two identical immunoglobulin heavy chains and two identical immunoglobulin light chains, held together by disulfide bonds and sometimes complexed with additional proteins. An immunoglobulin complex may be embedded in the plasma membrane or present in the extracellular space, in mucosal areas or other tissues, or circulating in the blood or lymph.
inhibin complex +
inner kinetochore +
interferon regulatory factor complex +
interleukin-12 complex
interleukin-23 complex
interleukin-27 complex
interleukin-35 complex
intracellular protein-containing complex +
intraciliary transport particle +
intraciliary transport particle A
intraciliary transport particle B
IRE1-RACK1-PP2A complex
iRhom2/ADAM17 sheddase complex
iron-sulfur cluster assembly complex +
junctional membrane complex
Kelch-containing formin regulatory complex
Kibra-Ex-Mer complex
KICSTOR complex
Knl1/Spc105 complex
laminin complex +
large latent transforming growth factor-beta complex