| Putative high affinity immunoglobulin gamma Fc receptor IB | Humans | May bind to the Fc region of immunoglobulins gamma with a low affinity compared to FCGR1A. May function in the humora... more | 1 | Details |
| Putative hydrolase DDAH2 | Humans | Putative hydrolase with unknown substrate. Does not hydrolyze N(G),N(G)-dimethyl-L-arginine (ADMA) which acts as an i... more | 1 | Details |
| Putative inactive carboxylesterase 4 | Humans | Has no esterase activity | 1 | Details |
| Putative ketoacyl reductase | Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145) | Not Available | 3 | Details |
| Putative mannose-6-phosphate isomerase YvyI | Bacillus subtilis (strain 168) | Not Available | 1 | Details |
| Putative pteridine reductase 2 | Trypanosoma cruzi | Not Available | 2 | Details |
| Putidaredoxin reductase CamA | Pseudomonas putida | The oxidation of camphor by cytochrome P450-CAM CamC requires the participation of the flavoprotein, putidaredoxin re... more | 1 | Details |
| Putrescine-binding periplasmic protein PotF | Escherichia coli (strain K12) | Part of the ABC transporter complex PotFGHI involved in putrescine uptake. Binds putrescine. Imports putrescine for m... more | 1 | Details |
| Pyridoxal 5'-phosphate synthase subunit Pdx1 | Plasmodium falciparum (isolate 3D7) | Catalyzes the formation of pyridoxal 5'-phosphate from ribose 5-phosphate (RBP), glyceraldehyde 3-phosphate (G3P) and... more | 1 | Details |
| Pyridoxal kinase | Humans | Catalyzes the phosphorylation of the dietary vitamin B6 vitamers pyridoxal (PL), pyridoxine (PN) and pyridoxamine (PM... more | 7 | Details |
| Pyridoxal kinase PdxY | Escherichia coli (strain K12) | Pyridoxal kinase involved in the salvage pathway of pyridoxal 5'-phosphate (PLP). Catalyzes the phosphorylation of py... more | 1 | Details |
| Pyridoxal phosphate homeostasis protein | Humans | Pyridoxal 5'-phosphate (PLP)-binding protein, which may be involved in intracellular homeostatic regulation of pyrido... more | 2 | Details |
| Pyridoxine 5'-phosphate phosphatase | Ensifer meliloti | Not Available | 1 | Details |
| Pyridoxine 5'-phosphate synthase | Escherichia coli (strain K12) | Catalyzes the complicated ring closure reaction between the two acyclic compounds 1-deoxy-D-xylulose-5-phosphate (DXP... more | 3 | Details |
| Pyridoxine-5'-phosphate oxidase | Humans | Catalyzes the oxidation of either pyridoxine 5'-phosphate (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-... more | 4 | Details |
| Pyridoxine/pyridoxamine 5'-phosphate oxidase | Escherichia coli (strain K12) | Catalyzes the oxidation of either pyridoxine 5'-phosphate (PNP) or pyridoxamine 5'-phosphate (PMP) into pyridoxal 5'-... more | 2 | Details |
| Pyrimidine-nucleoside phosphorylase | Geobacillus stearothermophilus | Catalyzes phosphorolysis of the pyrimidine nucleosides uridine, thymidine and 2'-deoxyuridine with the formation of t... more | 1 | Details |
| Pyroglutamyl-peptidase 1 | Humans | Removes 5-oxoproline from various penultimate amino acid residues except L-proline | 1 | Details |
| Pyrophosphate | Not Available | Not Available | 2 | Details |
| Pyrroline-5-carboxylate reductase | Humans | Not Available | 1 | Details |
| Pyrroline-5-carboxylate reductase 1, mitochondrial | Humans | Oxidoreductase that catalyzes the last step in proline biosynthesis, which corresponds to the reduction of pyrroline-... more | 3 | Details |
| Pyrroline-5-carboxylate reductase 2 | Humans | Oxidoreductase that catalyzes the last step in proline biosynthesis, which corresponds to the reduction of pyrroline-... more | 2 | Details |
| Pyrroline-5-carboxylate reductase 3 | Humans | Oxidoreductase that catalyzes the last step in proline biosynthesis, which corresponds to the reduction of pyrroline-... more | 1 | Details |
| Pyrroloquinoline-quinone synthase | Klebsiella pneumoniae | Ring cyclization and eight-electron oxidation of 3a-(2-amino-2-carboxyethyl)-4,5-dioxo-4,5,6,7,8,9-hexahydroquinoline... more | 1 | Details |
| Pyruvate carboxylase | Staphylococcus aureus (strain Mu50 / ATCC 700699) | Catalyzes a 2-step reaction, involving the ATP-dependent carboxylation of the covalently attached biotin in the first... more | 1 | Details |