| GO term | GO name | GO namespace | GO def |
| GO:0003823 | antigen binding | molecular_function | Binding to an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen. Antigen binding by an MHC protein complex allows the antigen to be displayed to a T cell or NK cell. [GOC:jl, ISBN:0198506732, ISBN:0721662544] |
| GO:0005515 | protein binding | molecular_function | Binding to a protein. [GOC:go_curators] |
| GO:0030246 | carbohydrate binding | molecular_function | Binding to a carbohydrate, which includes monosaccharides, oligosaccharides and polysaccharides as well as substances derived from monosaccharides by reduction of the carbonyl group (alditols), by oxidation of one or more hydroxy groups to afford the corresponding aldehydes, ketones, or carboxylic acids, or by replacement of one or more hydroxy group(s) by a hydrogen atom. Cyclitols are generally not regarded as carbohydrates. [GOC:mah] |
| GO:0046872 | metal ion binding | molecular_function | Binding to a metal ion. [GOC:ai] |
| GO:0001867 | complement activation, lectin pathway | biological_process | Any process involved in the activation of any of the steps of the lectin pathway of the complement cascade which allows for the direct killing of microbes and the regulation of other immune processes. [GOC:add, ISBN:0781735149] |
| GO:0002752 | cell surface pattern recognition receptor signaling pathway | biological_process | The series of molecular signals initiated by a ligand binding to a cell surface pattern recognition receptor (PRR). PRRs bind pathogen-associated molecular pattern (PAMPs), structures conserved among microbial species. [GOC:add, GOC:ar, ISBN:0781735149, PMID:15199967] |
| GO:0006508 | proteolysis | biological_process | The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds. [GOC:bf, GOC:mah] |
| GO:0006956 | complement activation | biological_process | Any process involved in the activation of any of the steps of the complement cascade, which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes; the initial steps of complement activation involve one of three pathways, the classical pathway, the alternative pathway, and the lectin pathway, all of which lead to the terminal complement pathway. [GO_REF:0000022, GOC:add, ISBN:0781735149] |
| GO:0043654 | recognition of apoptotic cell | biological_process | The process in which a cell interprets signals (in the form of specific proteins and lipids) on the surface of a dying cell which it will engulf and remove by phagocytosis. [GOC:rk, PMID:15536015] |
| GO:0046597 | negative regulation of viral entry into host cell | biological_process | Any process that stops, prevents, or reduces the frequency, rate or extent of the entry of viral entry into a host cell. [GOC:jl] |
| GO:0051607 | defense response to virus | biological_process | Reactions triggered in response to the presence of a virus that act to protect the cell or organism. [GOC:ai] |
| GO:1902679 | negative regulation of RNA biosynthetic process | biological_process | Any process that stops, prevents or reduces the frequency, rate or extent of RNA biosynthetic process. [GO:jl, GO_REF:0000058, GOC:TermGenie] |
| GO:1903028 | positive regulation of opsonization | biological_process | Any process that activates or increases the frequency, rate or extent of opsonization. [GO_REF:0000058, GOC:BHF, GOC:rl, GOC:TermGenie, PMID:22333221] |
| GO:0005576 | extracellular region | cellular_component | The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite. [GOC:go_curators] |
| GO:0005615 | extracellular space | cellular_component | That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid. [ISBN:0198547684] |
| GO:0009897 | external side of plasma membrane | cellular_component | The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface. [GOC:dos, GOC:tb] |
| GO:0072562 | blood microparticle | cellular_component | A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids. [GOC:BHF, GOC:mah, PMID:16373184] |
| GO:1905370 | serine-type endopeptidase complex | cellular_component | A protein complex which is capable of serine-type endopeptidase activity. [GO_REF:0000088, GOC:bhm, GOC:TermGenie, PMID:1689240] |
| GO:0005581 | collagen trimer | cellular_component | A protein complex consisting of three collagen chains assembled into a left-handed triple helix. These trimers typically assemble into higher order structures. [GOC:dos, GOC:mah, ISBN:0721639976, PMID:19693541, PMID:21421911] |
| GO:0005102 | signaling receptor binding | molecular_function | Binding to one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function. [GOC:bf, GOC:ceb, ISBN:0198506732] |
| GO:0097367 | carbohydrate derivative binding | molecular_function | Binding to a carbohydrate derivative. [GOC:pr] |
| GO:0062023 | collagen-containing extracellular matrix | cellular_component | An extracellular matrix consisting mainly of proteins (especially collagen) and glycosaminoglycans (mostly as proteoglycans) that provides not only essential physical scaffolding for the cellular constituents but can also initiate crucial biochemical and biomechanical cues required for tissue morphogenesis, differentiation and homeostasis. The components are secreted by cells in the vicinity and form a sheet underlying or overlying cells such as endothelial and epithelial cells. [GOC:BHF, GOC:rph, PMID:21123617] |