COMPARTMENTS

Subcellular localization database

C1QA localizations

C1QA [ENSP00000363773]

Complement component 1, q subcomponent, A chain; C1q associates with the proenzymes C1r and C1s to yield C1, the first component of the serum complement system. The collagen-like regions of C1q interact with the Ca(2+)-dependent C1r(2)C1s(2) proenzyme complex, and efficient activation of C1 takes place on interaction of the globular heads of C1q with the Fc regions of IgG or IgM antibody present in immune complexes.

Synonyms:  C1QA,  C1QAp,  hC1QA,  A0A024RAG6,  P02745 ...

Linkouts:  STRING  Pharos  UniProt  OMIM

Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence