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Literature summary extracted from

  • Heda, G.D.; Madigan, M.T.
    Thermal properties and oxygenase activity of ribulose-1,5-bisphosphate carboxylase from the thermophilic purple bacterium Chromatium tepidum (1988), FEMS Microbiol. Lett., 51, 45-50.
No PubMed abstract available

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
4.1.1.39 cytoplasm
-
 Thermochromatium tepidum 5737
-
4.1.1.39 cytoplasm
-
 Allochromatium vinosum 5737
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2 Thermochromatium tepidum
-
 ?
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2 Allochromatium vinosum
-
 ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.1.1.39 Allochromatium vinosum
-
-
-
4.1.1.39 Thermochromatium tepidum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.1.39 partial Thermochromatium tepidum
4.1.1.39 partial Allochromatium vinosum

Reaction

EC Number Reaction Comment Organism Reaction ID
4.1.1.39 2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O D-ribulose 1,5-bisphosphate + CO2 = 2 3-phospho-D-glycerate, carboxylase reaction Thermochromatium tepidum
a
4.1.1.39 2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O D-ribulose 1,5-bisphosphate + CO2 = 2 3-phospho-D-glycerate, carboxylase reaction Allochromatium vinosum
a
4.1.1.39 2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O D-Ribulose 1,5-bisphosphate + O2 = D-3-phosphoglycerate + 2-phosphoglycolate, oxygenase reaction Thermochromatium tepidum
a
4.1.1.39 2 3-phospho-D-glycerate + 2 H+ = D-ribulose 1,5-bisphosphate + CO2 + H2O D-Ribulose 1,5-bisphosphate + O2 = D-3-phosphoglycerate + 2-phosphoglycolate, oxygenase reaction Allochromatium vinosum
a

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.1.39 79
-
 carboxylase Thermochromatium tepidum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2
-
 Thermochromatium tepidum D-3-Phosphoglycerate
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2
-
 Allochromatium vinosum D-3-Phosphoglycerate
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2
-
 Thermochromatium tepidum ?
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + CO2
-
 Allochromatium vinosum ?
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + O2
-
 Thermochromatium tepidum D-3-Phosphoglycerate + 2-phosphoglycolate
-
 ?
4.1.1.39 D-Ribulose 1,5-bisphosphate + O2
-
 Allochromatium vinosum D-3-Phosphoglycerate + 2-phosphoglycolate
-
 ?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.1.1.39 35 40
-
 Allochromatium vinosum
4.1.1.39 40
-
 oxygenation Thermochromatium tepidum
4.1.1.39 50
-
 carboxylation Thermochromatium tepidum

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
4.1.1.39 20 45
-
 Allochromatium vinosum
4.1.1.39 30 55
-
 Thermochromatium tepidum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.1.1.39 50
-
 stable up to Allochromatium vinosum
4.1.1.39 60
-
 stable up to Thermochromatium tepidum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.1.1.39 7.6
-
 carboxylation Thermochromatium tepidum
4.1.1.39 9.3
-
 oxygenation Thermochromatium tepidum