| gptkbp:instanceOf | gptkb:G_protein-coupled_receptor gptkb:opioid
 
 | 
                        
                            
                                | gptkbp:alternativeName | gptkb:DOR gptkb:OPRD1
 
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                                | gptkbp:binds | gptkb:enkephalins gptkb:deltorphins
 synthetic opioids
 
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                                | gptkbp:couplingType | gptkb:Gi/o_proteins 
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                                | gptkbp:discoveredBy | 1970s 
 | 
                        
                            
                                | gptkbp:effect | inhibits adenylyl cyclase inhibits neurotransmitter release
 reduces cAMP levels
 
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                                | gptkbp:encodedBy | gptkb:OPRD1_gene 
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                                | gptkbp:enemyOf | gptkb:naloxone gptkb:DPDPE
 gptkb:SNC80
 gptkb:deltorphin_II
 gptkb:naltrindole
 ARM390
 
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                                | gptkbp:expressedIn | gptkb:spinal_cord brain
 peripheral tissues
 
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                                | gptkbp:foundIn | gptkb:human gptkb:mouse
 gptkb:right
 
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                                | gptkbp:function | regulation of mood modulation of pain
 modulation of reward pathways
 
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                                | gptkbp:involvedIn | addiction tolerance
 respiratory depression (less than mu receptor)
 
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                                | gptkbp:locatedIn | central nervous system peripheral nervous system
 
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                                | gptkbp:locatedOnChromosome | chromosome 1p36.1 
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                                | gptkbp:modulatedBy | dopamine release GABA release
 acetylcholine release
 glutamate release
 serotonin release
 
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                                | gptkbp:relatedTo | kappa opioid receptor mu opioid receptor
 
 | 
                        
                            
                                | gptkbp:structure | seven transmembrane domains 
 | 
                        
                            
                                | gptkbp:targetOfDrug | antidepressants anxiolytics
 analgesics
 
 | 
                        
                            
                                | gptkbp:UniProtID | gptkb:P41143 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Opioids 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Delta opioid receptor 
 |