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4.1.1.39: ribulose-bisphosphate carboxylase

This is an abbreviated version!
For detailed information about ribulose-bisphosphate carboxylase, go to the full flat file.

Word Map on EC 4.1.1.39

Reaction

2 3-phospho-D-glycerate + 2 H+ =

D-ribulose 1,5-bisphosphate
+
CO2
 +
H2O

Synonyms

AF_1638, archaeal Rubisco, barley rubisco, Carboxydismutase, CbbL-1, CbbL-2, CbbL1 protein, CbbL2 protein, CbbM, CbbS-1, CbbS-2, D-ribulose 1,5-bisphosphate carboxylase/oxygenase, D-Ribulose 1,5-diphosphate carboxylase, D-Ribulose-1,5-bisphosphate carboxylase, D-ribulose-1,5-bisphosphate carboxylase/oxygenase, Diphosphoribulose carboxylase, form I RubisCO, Form II Rubisco, form III ribulose-1,5-bisphosphate carboxylase/oxygenase, Galdieria Rubisco, green-like type rubisco, LESS17, MbR, Pk-Rubisco, PSS15, PSSU1, Rbc, rbcL, RbcL2, rbcLS, rbcS, RbcS-T, rbcS1, red-type form I RuBisCO, ribulose 1, 5-bisphosphate carboxylase/oxygenase, ribulose 1,5 bisphosphate carboxylase/oxygenase, Ribulose 1,5-bisphosphate carboxylase, Ribulose 1,5-bisphosphate carboxylase-oxygenase, Ribulose 1,5-bisphosphate carboxylase/oxygenase, Ribulose 1,5-diphosphate carboxylase, Ribulose 1,5-diphosphate carboxylase/oxygenase, ribulose bisphosphate carboxylase, Ribulose bisphosphate carboxylase large chain, Ribulose bisphosphate carboxylase-oxygenase, ribulose bisphosphate carboxylase/oxygenase, ribulose bisphosphate carboxylase/oxygenase large subunit, Ribulose diphosphate carboxylase, Ribulose diphosphate carboxylase/oxygenase, ribulose-1, 5-bisphosphate carboxylase/oxygenase, ribulose-1,5-bisphosphate (RuBP) carboxylase/oxygenase, ribulose-1,5-bisphosphate carboxylase, ribulose-1,5-bisphosphate carboxylase/oxygenase, ribulose-1,5-bisphosphate carboxylase/oxygenase large subunit, ribulose-1,5-bisphosphate carboxylase/oxygenase small subunit, ribulose-bisphosphate carboxylase, ribulose-bisphosphate carboxylase/oxygenase, RLP, Rubisco, RubisCO 1, RuBisCO 2, RubisCO redlike form I, Rubisco small subunit, RuBisCO-like protein, Rubisco-LSU, RubiscoL, RuBP carboxylase, RuBP carboxylase/oxygenase, RuBPC, RuBPcase, RuBPCO, Tk-Rubisco, TK2290, type III ribulose 1,5-bisphosphate carboxylase/oxygenase, type III Rubisco, Water stress responsive proteins 1, 2 and 14

ECTree

     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.1 Carboxy-lyases
                4.1.1.39 ribulose-bisphosphate carboxylase

Temperature Stability

Temperature Stability on EC 4.1.1.39 - ribulose-bisphosphate carboxylase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
-80
the activity of fast-frozen cell extracts is stable at -80°C and, after thawing and storage on ice, remain stable for up to 1 h before declining non-linearly
36
after pre-treatment of Symbiodinium cell cultures in darkness at temperatures above 30°C, the extracted Rubisco activities decrease, with almost complete loss of activity above 36°C
45
-
stable up to
50 - 65
-
stable for 15 min at 50°C, activity is one-half of the maximal value at 56°C, only 10% activity persisted at 65°C
57 - 60
-
heatstable, retains full enzymatic activity and structural features
60
-
stable up to
60 - 65
7 - 9.5
-
the melting temperature is around 79.5°C
70
Thermosynechococcus vestitus
-
the enzyme is stable and active up to 70°C and deactivated at 75°C
80 - 100
-
extremely thermostable, half-life of 15 h at 80°C, 2.5 h at 100°C
85
no loss of activity for up to 60 min
85 - 100
stable against this treatment for 30 min, denaturation above 113°C
90 - 100