| Pseudoazurin | Alcaligenes faecalis | This soluble electron transfer copper protein is required for the inactivation of copper-containing nitrite reductase... more | 1 | Details |
| Pseudouridine-5'-phosphatase | Humans | Dephosphorylates pseudouridine 5'-phosphate, a potential intermediate in rRNA degradation. Pseudouridine is then excr... more | 1 | Details |
| Pteridine reductase 1 | Leishmania major | Exhibits a NADPH-dependent biopterin reductase activity. Has good activity with folate and significant activity with ... more | 4 | Details |
| Pterin-4-alpha-carbinolamine dehydratase | Humans | Involved in tetrahydrobiopterin biosynthesis. Seems to both prevent the formation of 7-pterins and accelerate the for... more | 1 | Details |
| PTS system N,N'-diacetylchitobiose-specific EIIB component | Escherichia coli (strain K12) | The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active transport ... more | 1 | Details |
| Pulmonary surfactant-associated protein A1 | Humans | In presence of calcium ions, it binds to surfactant phospholipids and contributes to lower the surface tension at the... more | 2 | Details |
| Pulmonary surfactant-associated protein A2 | Humans | In presence of calcium ions, it binds to surfactant phospholipids and contributes to lower the surface tension at the... more | 1 | Details |
| Pulmonary surfactant-associated protein B | Humans | Pulmonary surfactant-associated proteins promote alveolar stability by lowering the surface tension at the air-liquid... more | 2 | Details |
| Pulmonary surfactant-associated protein D | Humans | Contributes to the lung's defense against inhaled microorganisms, organic antigens and toxins. Interacts with compoun... more | 2 | Details |
| Purine biosynthesis transcriptional repressor PurR | Bacillus subtilis (strain 168) | Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon... more | 1 | Details |
| Purine nucleoside phosphorylase | Humans | Catalyzes the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the... more | 30 | Details |
| Purine nucleoside phosphorylase | Cellulomonas sp. | The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deox... more | 1 | Details |
| Purine nucleoside phosphorylase | Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) | The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deox... more | 1 | Details |
| Purine nucleoside phosphorylase | Mycobacterium tuberculosis | The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deox... more | 3 | Details |
| Purine nucleoside phosphorylase | Plasmodium falciparum (isolate 3D7) | As part of the purine salvage pathway, catalyzes the phosphorolytic breakdown of the N-glycosidic bond in the beta-(d... more | 2 | Details |
| Purine nucleoside phosphorylase 2 | Escherichia coli (strain K12) | The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deox... more | 2 | Details |
| Purine nucleoside phosphorylase DeoD-type | Escherichia coli (strain K12) | Catalyzes the reversible phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecule... more | 13 | Details |
| Puromycin-sensitive aminopeptidase | Humans | Aminopeptidase with broad substrate specificity for several peptides. Involved in proteolytic events essential for ce... more | 2 | Details |
| Putative 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline decarboxylase | Humans | Catalyzes the stereoselective decarboxylation of 2-oxo-4-hydroxy-4-carboxy-5-ureidoimidazoline (OHCU) to (S)-allantoi... more | 1 | Details |
| Putative 4-hydroxy-4-methyl-2-oxoglutarate aldolase | Mycobacterium tuberculosis | Catalyzes the aldol cleavage of 4-hydroxy-4-methyl-2-oxoglutarate (HMG) into 2 molecules of pyruvate. Also contains a... more | 1 | Details |
| Putative DD-carboxypeptidase TP_0574 | Treponema pallidum (strain Nichols) | A possible D,D-carboxypeptidase, that releases amino acids sequentially from a proteins C-terminus. Has zinc-dependen... more | 1 | Details |
| Putative dehydrogenase/reductase SDR family member 4-like 1 | Humans | Putative oxidoreductase | 5 | Details |
| Putative FAD-monooxygenase | Nocardia aerocolonigenes | Not Available | 2 | Details |
| Putative glycosyltransferase 6 domain-containing protein 1 | Humans | Not Available | 5 | Details |
| Putative gonadotropin-releasing hormone II receptor | Humans | Putative receptor for gonadotropin releasing hormone II (GnRH II) which is most probably non-functional | 3 | Details |