| Receptors, Opioid, kappa, agonists | Not Available | 5 | 5 | Details |
| Receptors, Opioid, kappa, antagonists & inhibitors | Not Available | 0 | 0 | Details |
| Receptors, Opioid, mu | Not Available | 1 | 1 | Details |
| Receptors, Opioid, mu, antagonists & inhibitors | Not Available | 1 | 3 | Details |
| Receptors, Oxytocin, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Receptors, Pattern Recognition | A large family of cell surface receptors that bind conserved molecular structures (PAMP... more | 2 | 3 | Details |
| Receptors, Peptide | Cell surface receptors that bind peptide messengers with high affinity and regulate int... more | 9 | 18 | Details |
| Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide | A family of G-protein-coupled receptors that share significant homology with GLUCAGON R... more | 1 | 2 | Details |
| Receptors, Platelet-Derived Growth Factor, antagonists & inhibitors | Not Available | 1 | 3 | Details |
| Receptors, Progesterone, agonists | Not Available | 1 | 1 | Details |
| Receptors, Prostaglandin E, EP1 Subtype, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Receptors, Prostaglandin E, EP2 Subtype | Not Available | 1 | 1 | Details |
| Receptors, Prostaglandin E, EP2 Subtype, agonists | Not Available | 2 | 4 | Details |
| Receptors, Prostaglandin, agonists | Not Available | 1 | 7 | Details |
| Receptors, Prostaglandin, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Receptors, Proteinase-Activated | A class of receptors that are activated by the action of PROTEINASES. The most notable ... more | 0 | 0 | Details |
| Receptors, Retinoic Acid, agonists | Not Available | 2 | 7 | Details |
| Receptors, sigma | Not Available | 0 | 0 | Details |
| Receptors, sigma, agonists | Not Available | 1 | 1 | Details |
| Receptors, sigma, antagonists & inhibitors | Not Available | 2 | 3 | Details |
| Receptors, small molecule | Not Available | 0 | 0 | Details |
| Receptors, Somatotropin, antagonists & inhibitors | Not Available | 1 | 6 | Details |
| Receptors, Tachykinin, antagonists & inhibitors | Not Available | 1 | 1 | Details |
| Receptors, Thrombin | A family of proteinase-activated receptors that are specific for THROMBIN. They are fou... more | 1 | 2 | Details |
| Receptors, Thrombin, antagonists & inhibitors | Not Available | 2 | 5 | Details |