G Protein-coupled receptors

   Rhodopsin family

     Acetylcholine (muscarinic)

     Adrenaline

     Dopamine

     Histamine

       H1-receptor [HSA:3269] [KO:K04149]

         Ketanserin [ATC:C02KD01]

         Thonzylamine [ATC:D04AA01 R01AC06 R06AC06]

         Mepyramine [ATC:D04AA02 R06AC01]

         Tripelennamine [ATC:D04AA04]

         Promethazine [ATC:D04AA10 R06AD02]

         Dimetindene [ATC:D04AA13 R06AB03]

         Clemastine [ATC:D04AA14 R06AA04]

         Bamipine [ATC:D04AA15 R06AX01]

         Isothipendyl [ATC:D04AA22 R06AD09]

         Diphenhydramine [ATC:D04AA32 R06AA02]

         Chlorphenoxamine [ATC:D04AA34 R06AA06]

         Dimetotiazine [ATC:N02CX05]

         Chlorpromazine [ATC:N05AA01]

         Olanzapine [ATC:N05AH03]

         Quetiapine [ATC:N05AH04]

         Hydroxyzine [ATC:N05BB01]

         Opipramol [ATC:N06AA05]

         Betahistine [ATC:N07CA01]

         Cinnarizine [ATC:N07CA02]

         Levocabastine [ATC:R01AC02 S01GX02]

         Azelastine [ATC:R01AC03 R06AX19 S01GX07]

         Antazoline [ATC:R01AC04 R06AX05]

         Olopatadine [ATC:R01AC08 S01GX09]

         Diphenylpyraline [ATC:R06AA07]

         Carbinoxamine [ATC:R06AA08]

         Doxylamine [ATC:R06AA09]

         Brompheniramine [ATC:R06AB01]

         Dexchlorpheniramine [ATC:R06AB02]

         Chlorphenamine [ATC:R06AB04]

         Pheniramine [ATC:R06AB05]

         Dexbrompheniramine [ATC:R06AB06]

         Alimemazine [ATC:R06AD01]

         Mequitazine [ATC:R06AD07]

         Cyclizine [ATC:R06AE03]

         Meclozine [ATC:R06AE05]

         Oxatomide [ATC:R06AE06]

         Cetirizine [ATC:R06AE07]

         Levocetirizine [ATC:R06AE09]

         Cyproheptadine [ATC:R06AX02]

         Phenindamine [ATC:R06AX04]

         Triprolidine [ATC:R06AX07]

         Azatadine [ATC:R06AX09]

         Astemizole [ATC:R06AX11]

         Terfenadine [ATC:R06AX12]

         Loratadine [ATC:R06AX13]

         Ketotifen [ATC:R06AX17 S01GX08]

         Acrivastine [ATC:R06AX18]

         Ebastine [ATC:R06AX22]

         Epinastine [ATC:R06AX24]

         Fexofenadine [ATC:R06AX26]

         Desloratadine [ATC:R06AX27]

         Rupatadine [ATC:R06AX28]

         Bilastine [ATC:R06AX29]

         Emedastine [ATC:S01GX06]

         Alcaftadine

         Bepotastine

         Dimenhydrinate

         Dioxopromethazine

         Histamine

         Homochlorcyclizine

         Icotidine

         Mizolastine

         Noberastine

         Rocastine

         Tecastemizole

         Temelastine

       H2-receptor [HSA:3274] [KO:K04150]

       H3-receptor [HSA:11255] [KO:K04151]

       H4-receptor [HSA:59340] [KO:K04152]

     Serotonin

     Tachykinin / neurokinin

     Ghrelin

     Orexin

     Neuropeptide Y

     Opioid

     Angiotensin

     Bradykinin

     Endothelin

     Lutropin-choriogonadotropic hormone

     Follicle stimulating hormone

     Oxytocin

     Vasopressin

     Melanocortin

     Gonadotropin-releasing hormone

     Somatostatin

     Thyrotropin-releasing hormone

     Cholecystokinin

     Motilin

     Thrombin

     Purine / pyrimidine

     Adenosine

     Prostaglandin

     Prostacyclin

     Leukotriene

     Thromboxane

     Cysteinyl leukotriene

     Sphingolipid

     Cannabinoid

     Platelet activating factor

     Melatonin

   Secretin receptor family

   Metabotropic glutamate receptor family

   Others

 Cytokine receptors

 Nuclear receptors

 Ion channels

 Transporters

 Enzymes

 Protein kinases

 Cytokines

 Others