Term Name:	antagonist
Synonyms:	antagonist, antagonista, antagoniste, antagonists
Definition:	Substance that attaches to and blocks cell receptors that normally bind naturally occurring substances.
Ontology:	ChEBI [CHEBI:48706] ( EBI )

Relationships

is a type of:	pharmacological role
has subtype:	adenosine receptor antagonist alpha1B-adrenoceptor antagonist AMPA receptor antagonist AP-1 antagonist aryl hydrocarbon receptor antagonist bone morphogenetic protein receptor antagonist bradykinin receptor antagonist C-X-C chemokine receptor type 4 antagonist calcium channel blocker calmodulin antagonist cannabinoid receptor antagonist capsaicin receptor antagonist chemokine receptor 2 antagonist chemokine receptor 5 antagonist CXCR2 antagonist dopamine receptor D2 antagonist dopaminergic antagonist epidermal growth factor receptor antagonist estrogen receptor antagonist excitatory amino acid antagonist fibroblast growth factor receptor antagonist G-protein-coupled receptor antagonist GABA antagonist GABA-gated chloride channel antagonist glucocorticoid receptor antagonist glutamine antagonist glycine receptor antagonist histamine antagonist hormone antagonist IAP antagonist insulin-like growth factor receptor 1 antagonist IP3 receptor antagonist LRH-1 antagonist lymphocyte function-associated antigen-1 antagonist lysophosphatidic acid receptor antagonist melanin-concentrating hormone receptor antagonist melatonin receptor antagonist metabotropic glutamate receptor antagonist neurokinin-1 receptor antagonist neurokinin-3 receptor antagonist neuropeptide FF receptor antagonist neuropeptide Y receptor antagonist neuropilin receptor antagonist nicotinic acid adenine dinucleotide phosphate receptor antagonist odorant receptor antagonist opioid receptor antagonist orexin receptor antagonist platelet glycoprotein-IIb/IIIa receptor antagonist platelet-activating factor receptor antagonist prostaglandin receptor antagonist purinergic receptor P2 antagonist retinoic acid receptor antagonist SMO receptor antagonist sphingosine-1-phosphate receptor antagonist substance P receptor antagonist TGFbeta receptor antagonist thromboxane A2 antagonist tropomyosin-related kinase B receptor antagonist vascular endothelial growth factor receptor antagonist vitamin B1 antagonist vitamin K antagonist
inverse has_role:	carbon dioxide GSK2193874 PMX-205 TNP-ATP