| Proteinase-activated receptor 2 | Humans | Receptor for trypsin and trypsin-like enzymes coupled to G proteins. Its function is mediated through the activation ... more | 1 | Details |
| Proteinase-activated receptor 4 | Humans | Receptor for activated thrombin or trypsin coupled to G proteins that stimulate phosphoinositide hydrolysis. May play... more | 2 | Details |
| Prothrombin | Humans | Thrombin, which cleaves bonds after Arg and Lys, converts fibrinogen to fibrin and activates factors V, VII, VIII, XI... more | 149 | Details |
| Prothymosin alpha | Humans | Prothymosin alpha may mediate immune function by conferring resistance to certain opportunistic infections | 1 | Details |
| Proto-oncogene c-Rel | Humans | Proto-oncogene that may play a role in differentiation and lymphopoiesis. NF-kappa-B is a pleiotropic transcription f... more | 14 | Details |
| Proto-oncogene Mas | Humans | G protein-coupled receptor that plays key roles in the renin-angiotensin system (RAS) specifically in the protective,... more | 4 | Details |
| Proto-oncogene tyrosine-protein kinase receptor Ret | Humans | Receptor tyrosine-protein kinase involved in numerous cellular mechanisms including cell proliferation, neuronal navi... more | 27 | Details |
| Proto-oncogene tyrosine-protein kinase ROS | Humans | Receptor tyrosine kinase (RTK) that plays a role in epithelial cell differentiation and regionalization of the proxim... more | 11 | Details |
| Proto-oncogene tyrosine-protein kinase Src | Humans | Non-receptor protein tyrosine kinase which is activated following engagement of many different classes of cellular re... more | 72 | Details |
| Proto-oncogene vav | Humans | Couples tyrosine kinase signals with the activation of the Rho/Rac GTPases, thus leading to cell differentiation and/... more | 1 | Details |
| Protocadherin-19 | Humans | Calcium-dependent cell-adhesion protein | 1 | Details |
| Protocatechuate 3,4-dioxygenase alpha chain | Pseudomonas putida | Plays an essential role in the utilization of numerous aromatic and hydroaromatic compounds via the beta-ketoadipate ... more | 1 | Details |
| Protocatechuate 3,4-dioxygenase beta chain | Pseudomonas putida | Plays an essential role in the utilization of numerous aromatic and hydroaromatic compounds via the beta-ketoadipate ... more | 1 | Details |
| Proton-coupled amino acid transporter 1 | Humans | Electrogenic proton/amino acid symporter with selectivity for small apolar L-amino acids, their D-enantiomers and sel... more | 12 | Details |
| Proton-coupled amino acid transporter 2 | Humans | Electrogenic proton/amino acid symporter with a high selectivity for the small side chains amino acids glycine, alani... more | 2 | Details |
| Proton-coupled folate transporter | Humans | Proton-coupled folate symporter that mediates folate absorption using an H(+) gradient as a driving force. Involved i... more | 10 | Details |
| Proton-coupled zinc antiporter SLC30A1 | Humans | Zinc ion:proton antiporter that could function at the plasma membrane mediating zinc efflux from cells against its el... more | 2 | Details |
| Proton-coupled zinc antiporter SLC30A2 | Humans | Electroneutral proton-coupled antiporter concentrating zinc ions into a variety of intracellular organelles including... more | 2 | Details |
| Proton-coupled zinc antiporter SLC30A5 | Humans | Together with SLC30A6 forms a functional proton-coupled zinc ion antiporter mediating zinc entry into the lumen of or... more | 2 | Details |
| Proton-coupled zinc antiporter SLC30A8 | Humans | Proton-coupled zinc ion antiporter mediating the entry of zinc into the lumen of pancreatic beta cell secretory granu... more | 2 | Details |
| Proton-coupled zinc antiporter SLC30A9, mitochondrial | Humans | Mitochondrial proton-coupled zinc ion antiporter mediating the export of zinc from the mitochondria and involved in z... more | 2 | Details |
| Protoporphyrinogen oxidase | Humans | Catalyzes the 6-electron oxidation of protoporphyrinogen-IX to form protoporphyrin-IX | 2 | Details |
| Protoporphyrinogen oxidase | Myxococcus xanthus | Catalyzes the 6-electron oxidation of protoporphyrinogen-IX to form protoporphyrin-IX. Does not oxidize coproporphyri... more | 1 | Details |
| Protozoal DNA | Not Available | This group is created to include the DNA of various protozoans. | 1 | Details |
| Protransforming growth factor alpha | Humans | TGF alpha is a mitogenic polypeptide that is able to bind to the EGF receptor/EGFR and to act synergistically with TG... more | 1 | Details |