| ALD | adrenoleukodystrophy; alcoholic liver disease; aldolase; anterior latissimus dorsi; Appraisal of Lan... |
|---|---|
| Ald | aldolase |
| ALDA | aldolase A |
| ALDB | aldolase B |
| ALDC | aldolase C |
| F-2, 6-P2 | fructose 2, 6-bisphosphate |
|---|---|
| Fru 1,6-P2 | fructose 1,6-bisphosphate |
| ALD | Aldolase |
| RuBisCO | D-ribulose-1,5-bisphosphate carboxylase/oxygenase |
| InsP2 | Inositol bisphosphate |
| fructose-bisphosphate aldolase | <enzyme> An enzyme of the lyase class that catalyses the cleavage of fructose 1,6-biphosphate to form dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. The enzyme also acts on (3s,4r)-ketose 1-phosphates. The yeast and bacterial enzymes are zinc proteins. (enzyme nomenclature, 1992) e.c. 4.1.2.13. Chemical name: D-Fructose-1,6-biphosphate D-glyceraldehyde-3-phosphate-lyase Registry number: EC 4.1.2.13 (12 Dec 1998) |
|---|---|
| fructose 1,6-bisphosphate | <biochemistry> This key intermediate in glycolysis and gluconeogenesis (a hexose diphosphate) was discovered by Arthur Harden and William Young in 1905. In the third step of glycolysis, fructose 6-phosphate and ATP are converted to fructose 1,6-bisphosphate and ADP with the aid of phosphofructokinase. In step 4, fructose 1,6 bisphosphate (with the aid of aldolase) is cleaved into duhydroxyacetone phosphate and glyceraldehyde 3-phosphate. Synonym: hexosebisphosphatase, hexosediphosphatase. (08 Mar 2000) |
| fructose 2,6-bisphosphate | An analog of fructose 1,6-bisphosphate that plays a key role in the regulation of glycolysis and gluconeogenesis; activates phosphofructokinase and inhibits fructose 1,6-bisphosphatase. (05 Mar 2000) |
| fructose-2,6-bisphosphate 2-phosphatase | <enzyme> Copurifies with 6-phosphofructo-2-kinase; probably is a single protein with both activities; do not confuse with EC 3.1.3.54, fructose-2,6-bisphosphate 6-phosphatase Registry number: EC 3.1.3.46 Synonym: fructose-2,6-diphosphatase, fructose 2,6-bisphosphatase, fructose-2,6-bisphosphatase (26 Jun 1999) |
| fructose-2,6-bisphosphate 6-phosphatase | <enzyme> Do not confuse with fructose-2,6-bisphosphate 2-phosphatase (EC 3.1.3.46) Registry number: EC 3.1.3.54 Synonym: fdp 6-phosphatase, fru(2,6)p2 6-phosphatase (26 Jun 1999) |
| fructose-diphosphate aldolase | <enzyme> An enzyme of the lyase class that catalyses the cleavage of fructose 1,6-biphosphate to form dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. The enzyme also acts on (3s,4r)-ketose 1-phosphates. The yeast and bacterial enzymes are zinc proteins. (enzyme nomenclature, 1992) e.c. 4.1.2.13. Chemical name: D-Fructose-1,6-biphosphate D-glyceraldehyde-3-phosphate-lyase Registry number: EC 4.1.2.13 (12 Dec 1998) |
| fructose-6-phosphate,2-kinase-fructose-2,6-bisphosphatase | <chemical> From rat skeletal muscle and liver; catalyses the synthesis and degradation of fructose 2,6-bisphosphate; contains EC 2.7.1.105 and EC 3.1.3.46 Synonym: fru-kinase-fru-bisphosphatase, f kinase-f-bisphosphatase, 6-phosphofructo 2-kinase-fructose 2,6-bisphosphatase, 6-pf-2-k-fru-2,6-p(2)ase (26 Jun 1999) |
| glucose 1,6-bisphosphate synthase | <enzyme> Glycerate-1,3-p(2) + glucose -1-p yields glycerate-p + glucose-1,6-p(2) Chemical name: glucose 1,6-diphosphate synthase Registry number: EC 2.7.1.106 (26 Jun 1999) |
| ribulose 1,5 bisphosphate | An intermediate in the Calvin Benson cycle of photosynthesis. (18 Nov 1997) |
| ribulose-1,5-bisphosphate carboxylase | A dimerizing carboxy-lyase; an enzyme that catalyses the addition of carbon dioxide to d-ribulose 1,5-bisphosphate and the hydrolysis of the addition product to two molecules of 3-d-phosphoglyceric acid, a key reaction in the fixation of CO2 in photosynthesis. Synonym: carboxydismutase. (05 Mar 2000) |
| ribulose-1,5-bisphosphate carboxylase-oxygenase large subunit epsilonN-methyltransferase | <enzyme> An aspect of EC 2.1.1.43; trimethylates lys-14 of rubisco Registry number: EC 2.1.1.- Synonym: rubisco lsmt, rubisco large subunit lysine n-methyltransferase (26 Jun 1999) |
| ribulose bisphosphate carboxylase | <enzyme> A copper protein that catalyses the formation of 2 moles of 3-phosphoglycerate from ribulose 1,5-biphosphate in the presence of carbon dioxide and is responsible for carbon dioxide fixation in photosynthesis. Carbon dioxide is combined with ribulose diphosphate to give two molecules of 3 phosphoglycerate, as part of the Calvin Benson cycle. It is the sole carbon dioxide fixing enzyme in C3 plants and collaborates with PEP carboxylase in carbon dioxide fixation in C4 plants. In the presence of oxygen the products of the reaction are one molecule of phosphoglyceric acid and one molecule of phosphoglycolic acid. The latter is the initial substrate for photorespiration and this oxygenase function occurs in C3 plants where the enzyme is not protected from ambient oxygen, in C4 plants the enzyme acts exclusively as a carboxylase since it is protected from oxygen. Also called Fraction 1 protein, the major protein of leaves. Chemical name: 3-Phospho-D-glycerate carboxy-lyase (dimerizing) Registry number: EC 4.1.1.39 (12 Dec 1998) |
| 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) |
| nucleoside bisphosphate | A nucleoside that carries two independent (i.e., not linked to each other) phosphoric residues. Compare: nucleoside diphosphate. (05 Mar 2000) |
| fructose bisphosphate aldolase |
[EC 4.1.2.13] an enzyme of the lyase class that catalyzes the cleavage of fructose 1,6-bisphosphate to form dihydroxyacetone phosphate and glyceraldehyde 3-phosphate, a reaction of the Embden-Meyerhof pathway (see illustration at pathway). The enzyme also catalyzes the conversion of fructose 1-phosphate to dihydroxyacetone phosphate and glyceraldehyde. Three isozymes are recognized: A (occurring primarily in skeletal muscle), B (in liver, kidney, small intestine, and leukocytes), and C (in brain). Isozyme B, often referred to as fructose 1-phosphate aldolase, has greater affinity for fructose 1-phosphate. Deficiency of this latter activity, an autosomal recessive trait, results in hereditary fructose intolerance. Called also aldolase.
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