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Literature summary for 4.1.1.39 extracted from

  • Cook, C.M.; Lanaras, T.; Wood, A.P.; Codd, G.A.; Kelly, D.P.
    Kinetic properties of ribulose bisphosphate carboxylase/oxygenase from Thiobacillus thyasiris, the putative symbiont ot Thyasira flexuosa (Montagu), a bivalve mussel (1991), J. Gen. Microbiol., 137, 1491-1496.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.024
-
D-ribulose 1,5-bisphosphate carboxylation Thiomicrospira thyasirae
0.126
-
CO2
-
Thiomicrospira thyasirae
0.9
-
O2
-
Thiomicrospira thyasirae

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ 5.4% of the activity with Mg2+ Thiomicrospira thyasirae
Co2+ no activation Thiomicrospira thyasirae
Cu2+ no activation Thiomicrospira thyasirae
Fe2+ no activation Thiomicrospira thyasirae
Mg2+
-
Thiomicrospira thyasirae
Mn2+ 12.8% of the activity with Mg2+ Thiomicrospira thyasirae
additional information Zn2+, no activation Thiomicrospira thyasirae
Ni2+ no activation Thiomicrospira thyasirae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
D-Ribulose 1,5-bisphosphate + CO2 Thiomicrospira thyasirae
-
?
-
?

Organism

Organism UniProt Comment Textmining
Thiomicrospira thyasirae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Thiomicrospira thyasirae

Reaction

Reaction Comment Organism Reaction ID
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 Thiomicrospira thyasirae
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 Thiomicrospira thyasirae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.85
-
carboxylase Thiomicrospira thyasirae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-Ribulose 1,5-bisphosphate + CO2
-
Thiomicrospira thyasirae D-3-Phosphoglycerate
-
?
D-Ribulose 1,5-bisphosphate + CO2
-
Thiomicrospira thyasirae ?
-
?
D-Ribulose 1,5-bisphosphate + O2
-
Thiomicrospira thyasirae D-3-Phosphoglycerate + 2-phosphoglycolate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Thiomicrospira thyasirae

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
35
-
stable at Thiomicrospira thyasirae
55
-
rapid decline of activity above Thiomicrospira thyasirae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Thiomicrospira thyasirae

pH Stability

pH Stability pH Stability Maximum Comment Organism
7 9
-
Thiomicrospira thyasirae