| RMP | rapidly miscible pool; regional medical program; regional myocardial infarction; resting membrane po... |
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| RPE | rate of perceived exertion; recurrent pulmonary embolism; retinal pigment epithelium; ribulose 5-pho... |
| RuMP | ribulose monophosphate pathway |
| Ru1,5P | ribulose-1,5-biphosphate |
| Ru5P | ribulose-5-phosphate |
| RuBisCO | D-ribulose-1,5-bisphosphate carboxylase/oxygenase |
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| RuBisCO | Ribulose bisphosphate carboxylase |
| Rubisco | Ribulose-bisphosphate carboxylase/oxygenase |
| ribulose | D-erythro-Pentulose; d-adonose; d-erythro-2-ketopentose;the 2-keto isomer of ribose. As the 5-phosphate, it participates in the pentose monophosphate shunt; as the 1,5-bisphosphate, it combines with CO2 at the start of the photosynthetic process in green plants ("carbon dioxide trap"); d-ribulose is the epimer of d-xylulose. (05 Mar 2000) |
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| ribulose 1,5 bisphosphate | An intermediate in the Calvin Benson cycle of photosynthesis. (18 Nov 1997) |
| 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) |
| ribulose diphosphate 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) |
| 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) |
| ribulosebisphosphate carboxylase-oxygenase activase | <chemical> Requires ATP; amino acid sequence given in first source Synonym: rubisco activase, rca protein (26 Jun 1999) |
| ribulosephosphate | <biochemistry> Ribulose substituted by one or more phosphoric acid moieties. (12 Dec 1998) |
| ribulosephosphate 3-epimerase | <enzyme> An enzyme catalyzing the reversible interconversion of d-xylulose 5-phosphate and its epimer, d-ribulose 5-phosphate; a step in the nonoxidative phase of the pentose phosphate pathway. Registry number: EC 5.1.3.1 Synonym: d-erythrose 4-phosphate isomerase, pentose-5-phosphate 3-epimerase, phosphoribulose epimerase. (05 Mar 2000) |
Synonyms : 1, 5-Biphosphate Carboxylase-Oxygenase, Fraction 1 Protein, Ribulose Biphosphate Carboxylase, Ribulose Bisphosphate Carboxylase, Ribulose-1, 5-Biphosphate Carboxylase, Ribulose-1, 5-Biphosphate Carboxylase-Oxygenase, 1 Protein, Fraction, Protein, Fraction 1
Synonyms :
| ribulose |
A keto-pentose sugar (C 5 H 11 O 5 ) that is involved in carbon dioxide fixation in photosynthesis.
Ãâó: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| ribulose-phosphate 3-epimerase |
[EC 5.1.3.1] an enzyme of the isomerase class that catalyzes the interconversion of ribulose 5-phosphate and xylulose 5-phosphate. The reaction is a part of the pentose phosphate pathway.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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