| PI | first meiotic prophase; isoelectric point; pacing impulse; package insert; pancreatic insufficiency;... |
|---|---|
| PIGA | phosphatidylinositol glycan A |
| PIP2 | phosphatidylinositol 4,5-biphosphate or diphosphate |
| PI-P | phosphatidylinositol-4-phosphate |
| PI-PP | phosphatidylinositol-4,5-biphosphate |
| IP | 3)H]inositol phosphates |
|---|---|
| HEP | High energy phosphates |
| Pi | phosphocreatin , inorganic phosphates |
| SP | Sugar phosphates |
| PI | 1-phosphatidylinositol |
| phosphatidylinositol phosphates | <biochemistry> Phosphatidylinositols in which one or more alcohol group of the inositol has been substituted with a phosphate group. (12 Dec 1998) |
|---|
| calcium phosphates | Calcium salts of phosphoric acid. These compounds are frequently used as calcium supplements. (12 Dec 1998) |
|---|---|
| mannitol phosphates | Phosphoric acid esters of mannitol. (12 Dec 1998) |
| phosphates | Inorganic salts of phosphoric acid. (12 Dec 1998) |
| polyisoprenyl phosphates | Phosphoric or pyrophosphoric acid esters of polyisoprenoids. (12 Dec 1998) |
| high energy phosphates | Those phosphate's that, on hydrolysis, yield an unusually large amount of energy; e.g., nucleotide polyphosphates such as ATP, enol phosphate's such as phosphoenolpyruvate. See: high energy compounds. Synonym: energy-rich phosphates. (05 Mar 2000) |
| dinucleoside phosphates | A group of compounds which consist of a nucleotide molecule to which an additional nucleoside is attached through the phosphate molecule(s). The nucleotide can contain any number of phosphates. (12 Dec 1998) |
| dolichol phosphates | Phosphoric acid esters of dolichol. (12 Dec 1998) |
| inositol phosphates | Phosphoric acid esters of inositol. They include mono- and polyphosphoric acid esters, with the exception of inositol hexaphosphate which is phytic acid. (12 Dec 1998) |
| energy-rich phosphates | Those phosphate's that, on hydrolysis, yield an unusually large amount of energy; e.g., nucleotide polyphosphates such as ATP, enol phosphate's such as phosphoenolpyruvate. See: high energy compounds. Synonym: energy-rich phosphates. (05 Mar 2000) |
| tritolyl phosphates | Phosphoric acid tri(methylphenyl) ester. A mixture of isomeric tritolyl phosphates. Used in the sterilization of certain surgical instruments and in many industrial processes. (12 Dec 1998) |
| phosphatidylinositol | <biochemistry> A phosphatidic acid combined with inositol found in biomembranes and a precursor to certain cellular signals. Sometimes referred to as inositide. It is a very important minor phospholipid in eukaryotes, involved in signal transduction processes. Contains myo inositol linked through the 1 hydroxyl group to phosphatidic acid. The 4 phosphate (PIP) and 4, 5 bisphosphate derivatives PIP2) are formed and broken down in membranes by the action of specific kinases and phosphatases (futile cycles). Signal sensitive phospholipase C enzymes remove the inositol moiety, in particular from 1,4,5 trisphosphate (PIP2) as inositol 1,4,5 triphosphate (Ins P3: IP3). Both the diacyl glycerol and products act as second messengers. Synonym: phosphoinositide. (20 Sep 2002) |
| phosphatidylinositol-3,4,5-trisphosphate 5-phosphatase | <enzyme> Hydrolyzes the 5-position phosphate of ptdins(3,4,5)p3 forming phosphatidylinositol-3,4-bisphosphate; an isoenzyme forms a complex with the p85/p110 form of pi 3-kinase Registry number: EC 3.1.3.- Synonym: ptdins(3,4,5)p3 5-phosphatase, pi(3,4,5)p3 5-pase (26 Jun 1999) |
| phosphatidylinositol-3-phosphatase | <enzyme> Hydrolyzes phosphatidylinositol 3-phosphate in nih 3t3 cells; specific as it has little or no activity on the monoester phosphates of ptdins(4)p, ptdins(4,5)p2, or inositol 1,3-bisphosphate; does not require added metal ions for activity and is maximally active in the presence of edta; inhibited by ca(2+), mg(2+),zn(2+), and the phosphatase inhibitor vo(3-)4 Registry number: EC 3.1.3.64 Synonym: phosphatidylinositol 3-phosphatase (26 Jun 1999) |
| phosphatidylinositol 4,5-bisphosphate | <biochemistry> This is a molecule of phosphatidylinositol with two additional sites of phosphorylation. It is an important constituent of cell membrane phospholipids as well as a precursor of the second messengers, diacylglycerol and inositol 1,4,5-trisphosphate. Acronym: PIP2 (20 Sep 2002) |
| phosphatidylinositol 4,5-bisphosphate kinase | <enzyme> Membrane-associated enzyme Registry number: EC 2.7.1.- Synonym: ptdins 4,5-p2 kinase, phosphatidylinositol 4,5-bisphosphate kinase, ptdins(4,5)p2 3oh-kinase (26 Jun 1999) |
Synonyms : Phosphatidyl Inositol Phosphates, Polyphosphoinositide, Inositol Phosphates, Phosphatidyl, Phosphates, Phosphatidyl Inositol, Phosphates, Phosphatidylinositol
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