| Chain | GOid | namespace | contents |
| A | 0001618 | molecular_function | virus receptor activity |
| A | 0001848 | molecular_function | complement binding |
| A | 0001851 | molecular_function | complement component C3b binding |
| A | 0001855 | molecular_function | complement component C4b binding |
| A | 0001861 | molecular_function | complement component C4b receptor activity |
| A | 0001970 | biological_process | positive regulation of activation of membrane attack complex |
| A | 0001971 | biological_process | negative regulation of activation of membrane attack complex |
| A | 0002376 | biological_process | immune system process |
| A | 0002430 | biological_process | complement receptor mediated signaling pathway |
| A | 0002435 | biological_process | immune complex clearance by erythrocytes |
| A | 0002456 | biological_process | T cell mediated immunity |
| A | 0002638 | biological_process | negative regulation of immunoglobulin production |
| A | 0004875 | molecular_function | complement receptor activity |
| A | 0004877 | molecular_function | complement component C3b receptor activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005615 | cellular_component | extracellular space |
| A | 0005856 | cellular_component | cytoskeleton |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006957 | biological_process | complement activation, alternative pathway |
| A | 0006958 | biological_process | complement activation, classical pathway |
| A | 0007009 | biological_process | plasma membrane organization |
| A | 0008284 | biological_process | positive regulation of cell population proliferation |
| A | 0009986 | cellular_component | cell surface |
| A | 0016020 | cellular_component | membrane |
| A | 0030449 | biological_process | regulation of complement activation |
| A | 0030667 | cellular_component | secretory granule membrane |
| A | 0032689 | biological_process | negative regulation of type II interferon production |
| A | 0032703 | biological_process | negative regulation of interleukin-2 production |
| A | 0042130 | biological_process | negative regulation of T cell proliferation |
| A | 0044853 | cellular_component | plasma membrane raft |
| A | 0045087 | biological_process | innate immune response |
| A | 0045591 | biological_process | positive regulation of regulatory T cell differentiation |
| A | 0045916 | biological_process | negative regulation of complement activation |
| A | 0045957 | biological_process | negative regulation of complement activation, alternative pathway |
| A | 0045959 | biological_process | negative regulation of complement activation, classical pathway |
| A | 0046718 | biological_process | symbiont entry into host cell |
| A | 0070062 | cellular_component | extracellular exosome |
| A | 0101003 | cellular_component | ficolin-1-rich granule membrane |
| A | 1900004 | biological_process | negative regulation of serine-type endopeptidase activity |
| A | 1900005 | biological_process | positive regulation of serine-type endopeptidase activity |
| A | 1900099 | biological_process | negative regulation of plasma cell differentiation |
| A | 1903659 | biological_process | regulation of complement-dependent cytotoxicity |
| A | 1903660 | biological_process | negative regulation of complement-dependent cytotoxicity |
| A | 1904669 | biological_process | ATP export |
