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Literature summary for 4.1.1.39 extracted from

  • Marcus, Y.; Altman-Gueta, H.; Finkler, A.; Gurevitz, M.
    Dual role of cysteine 172 in redox regulation of ribulose 1,5-bisphosphate carboxylase/oxygenase activity and degradation (2003), J. Bacteriol., 185, 1509-1517.
    View publication on PubMedView publication on EuropePMC

Protein Variants

Protein Variants Comment Organism
C172A point mutagenesis, no decrease in Rubisco content and activities by nitrate deprivation Synechocystis sp.
C172A/192A point mutagenesis, no decrease in Rubisco content and activities by nitrate deprivation Synechocystis sp.
C192A point mutagenesis, stress conditions provoked by nitrate deprivation decreases the Rubisco content and activity Synechocystis sp.
C247A point mutagenesis, stress conditions provoked by nitrate deprivation decreases the Rubisco content and activity Synechocystis sp.

Inhibitors

Inhibitors Comment Organism Structure
H2O2
-
Synechocystis sp.
iodoacetate
-
Synechocystis sp.
Iodosobenzoate
-
Synechocystis sp.

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.094
-
D-ribulose-1,5-bisphosphate pH 8.0, 30°C, wild-type, oxidized, mutant C172A, reduced Synechocystis sp.
0.105
-
D-ribulose-1,5-bisphosphate pH 8.0, 30°C, wild-type, reduced Synechocystis sp.
0.162
-
CO2 pH 8.0, 30°C, wild-type, oxidized Synechocystis sp.
0.167
-
D-ribulose-1,5-bisphosphate pH 8.0, 30°C, mutant C192A, reduced Synechocystis sp.
0.183
-
CO2 pH 8.0, 30°C, mutant C172A/C192A, reduced Synechocystis sp.
0.183
-
D-ribulose-1,5-bisphosphate pH 8.0, 30°C, mutant C172A/C192A, reduced Synechocystis sp.
0.202
-
CO2 pH 8.0, 30°C, wild-type, reduced Synechocystis sp.
0.204
-
CO2 pH 8.0, 30°C, mutant C192A, reduced Synechocystis sp.
0.225
-
CO2 pH 8.0, 30°C, mutant C172A, reduced Synechocystis sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-ribulose 1,5-bisphosphate + CO2 + H2O Synechocystis sp. catalyzes the primary reactions of photosynthetis and photorespiration by carboxylation and oxygenation 3-phospho-D-glycerate
-
ir

Organism

Organism UniProt Comment Textmining
Synechocystis sp.
-
strain PCC 6803
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-ribulose 1,5-bisphosphate + CO2 + H2O
-
Synechocystis sp. 3-phospho-D-glycerate
-
?
D-ribulose 1,5-bisphosphate + CO2 + H2O catalyzes the primary reactions of photosynthetis and photorespiration by carboxylation and oxygenation Synechocystis sp. 3-phospho-D-glycerate
-
ir

Synonyms

Synonyms Comment Organism
Ribulose 1,5-bisphosphate carboxylase/oxygenase
-
Synechocystis sp.
ribulose-1,5-bisphosphate carboxylase/oxygenase
-
Synechocystis sp.
Rubisco
-
Synechocystis sp.

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 55
-
Synechocystis sp.

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
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 Synechocystis sp.