| phosphodiesterases | Enzymes (EC sub-subclass 3.1.4) cleaving phosphodiester bonds, such as those in cAMP or between nucleotides in nucleic acids, liberating smaller poly-or oligonucleotide units or mononucleotides but not inorganic phosphate. Synonym: phosphodiester hydrolases. (05 Mar 2000) |
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| phosphodimethylethanolamine N-methyltransferase | <enzyme> Final step in the sequential methylation of phosphoethanolamine to phosphocholine Registry number: EC 2.1.1- Synonym: pme2etn methyltransferase (26 Jun 1999) |
| phosphodismutase | One of a number of enzymes (mutases) (EC sub-subclass 5.4.2) that apparently catalyze intramolecular transfer because the donor is regenerated (e.g., phosphoglyceromutase, phosphoglucomutase). Synonym: phosphodismutase. (05 Mar 2000) |
| phosphoenolpyruvate | <biochemistry> An important metabolic intermediate. The enol (less stable) form of pyruvic acid is trapped as its phosphate ester, giving the molecule a high phosphate transfer potential. Formed from 2 phosphoglycerate by the action of enolase. (31 Dec 1997) |
| phosphoenolpyruvate carboxykinase | phosphoenolpyruvic acid carboxykinase |
| phosphoenolpyruvate carboxykinase (ATP) | <enzyme> An enzyme of the lyase class that catalyses the conversion of ATP and oxaloacetate to ADP, phosphoenolpyruvate, and carbon dioxide. The enzyme is found in some bacteria, yeast, and trypanosoma, and is important for the photosynthetic assimilation of carbon dioxide in some plants. Chemical name: ATP:oxaloacetate carboxy-lyase (transphosphorylating) Registry number: EC 4.1.1.49 (12 Dec 1998) |
| phosphoenolpyruvate carboxykinase (GTP) | <enzyme> An enzyme of the lyase class that catalyses the conversion of GTP and oxaloacetate to GDP, phosphoenolpyruvate, and carbon dioxide. This reaction is part of gluconeogenesis in the liver. The enzyme occurs in both the mitochondria and cytosol of mammalian liver. Chemical name: GTP:oxaloacetate carboxy-lyase (transphosphorylating) Registry number: EC 4.1.1.32 (12 Dec 1998) |
| phosphoenolpyruvate carboxylase | <enzyme> An enzyme with high affinity for carbon dioxide. It catalyses irreversibly the formation of oxaloacetate from phosphoenolpyruvate and carbon dioxide. This fixation of carbon dioxide in several bacteria and some plants is the first step in the biosynthesis of glucose. Chemical name: Orthophosphate:oxaloacetate carboxy-lyase (phosphorylating) Registry number: EC 4.1.1.31 (12 Dec 1998) |
| phosphoenolpyruvate carboxylase kinase | <enzyme> From bryophyllum fedtschenkoi plant and maise; phosphorylates phosphoenolpyruvate carboxylase on serine near the n-terminus; activity controlled by circadian rhythms Registry number: EC 2.7.10.- Synonym: pep carboxylase kinase, pepc kinase (26 Jun 1999) |
| phosphoenolpyruvate mutase | <enzyme> Isolated from t pyriformis; forms a carbon-phosphorus bond in the transformation of phosphoenolpyruvate to phosphonopyruvate Registry number: EC 5.4.2.9 Synonym: phosphoenolpyruvate phosphomutase (26 Jun 1999) |
| phosphoenolpyruvate sugar phosphotransferase system | <enzyme> The bacterial sugar phosphotransferase system (pts) that catalyses the transfer of the phosphoryl group from phosphoenolpyruvate to its sugar substrates (the pts sugars) concomitant with the translocation of these sugars across the bacterial membrane. The phosphorylation of a given sugar requires four proteins, two general proteins, enzyme I and hpr and a pair of sugar-specific proteins designated as the enzyme II complex. The pts has also been implicated in the induction of synthesis of some catabolic enzyme systems required for the utilization of sugars that are not substrates of the pts as well as the regulation of the activity of adenylate cyclase. Registry number: EC 2.7.1.- (12 Dec 1998) |
| phosphoenolpyruvate-cellobiose phosphotransferase | <enzyme> Catalytic domain of the phosphoenolpyruvate-dependent cellulose phosphotransferase system Registry number: EC 2.7.1.- Synonym: enzyme IIb(cellobiose), enzyme IIb (cel) (26 Jun 1999) |
| phosphoenolpyruvate-glucose phosphotransferase | <enzyme> Specific for glucose and nonmetabolizable analogs methyl alpha glucoside, beta-d-thioglucose and 5-thioglucose Registry number: EC 2.7.1.- Synonym: II-b(glc) peppts, enzyme II-b(glc) phosphoenolpyruvate phosphotransferase system, enzyme II (glucose), glucose-specific permease, phosphotransferase system, beta-glucosidase permease, beta-glucoside permease, glucose permease, enzyme II(glc), bglp gene product, syta gene product (26 Jun 1999) |
| phosphoenolpyruvate-maltose phosphotransferase | <enzyme> Partial amino acid sequence of enzyme identified from fusobacterium mortiferum. Registry number: EC 2.7.1.- Synonym: enzyme IIb (maltose), maltose enzyme IIb, malb gene product (26 Jun 1999) |
| phosphoenolpyruvate-mannose phosphotransferase | <enzyme> Consists of three subunits IIab(man), IIc(man), and IId(man); many encodes IIc(man) and manz encodes IId(man) Registry number: EC 2.7.1.- Synonym: enzyme II (mannose), mannose permease, many gene product, manz gene product, IIab(man) subunit, IIc(man) subunit, IId(man) subunit (26 Jun 1999) |
Synonyms : GTP-Dependent Phosphoenolpyruvate Carboxykinase, Carboxykinase, GTP-Dependent Phosphoenolpyruvate, GTP Dependent Phosphoenolpyruvate Carboxykinase, Phosphoenolpyruvate Carboxykinase, GTP-Dependent
Synonyms : Carboxylase, Phosphoenolpyruvate
Synonyms : Phosphoenolpyruvate-Glycose Phosphotransferase System, Hexose Phosphotransferases, Phosphoenolpyruvate, Phosphoenolpyruvate Glycose Phosphotransferase System, Phosphotransferase System, Phosphoenolpyruvate-Glycose
Synonyms : 6-Phosphofructo-1-kinase, Fructose-6-P 1-Kinase, Fructose-6-phosphate 1-Phosphotransferase, 6 Phosphofructokinase, Phosphofructokinase 1
Synonyms : Phosphofructo-1-kinase Isozyme B, Phosphofructokinase 1, Liver Type
| phosphodiester bond |
A bond between a two sugar groups and a phosphate group; such bonds form the sugar-phosphate-sugar backbone of DNA and RNA. A diester bond (between phosphoric acid and two sugar molecules) linking two nucleotides together to form the nucleotide polymers DNA and RNA.
출처: helios.bto.ed.ac.uk/bto/glossary/p.htm
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| phosphor- |
The special electrofluorescent coating used on the inside of a CRT screen that glows for a few milliseconds when struck by an electron beam. Because the illumination is so brief, it must be refreshed constantly to maintain an image.
출처: www.angelfire.com/ny3/diGi8tech/PGlossary.html
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| phosphor |
The special electrofluorescent coating used on the inside of a CRT screen that glows for a few milliseconds when struck by an electron beam. Because the illumination is so brief, it must be refreshed constantly to maintain an image.
출처: www.angelfire.com/ny3/diGi8tech/PGlossary.html
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| phosphorescent |
lucid; emitting light in the dark.
출처: www.biology.lsu.edu/heydrjay/ThomasSay/terms.html
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| phosphorylation |
The creation of a phosphate derivative of an organic molecule. This is usually achieved by transferring a phosphate group (-PO 4 ) from ATP to another molecule.
출처: www.nutrabio.com/Definitions/definitions_p.htm
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