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Literature summary for 4.1.1.39 extracted from

  • Rajagopalan, R.; Altekar, W.
    Characterisation and purification of ribulose-bisphosphate carboxylase from heterotrophically grown halophilic archaebacterium Haloferax mediterranei (1994), Eur. J. Biochem., 221, 863-869.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
(NH4)2SO4
-
Haloferax mediterranei
GSH
-
Haloferax mediterranei
iodoacetamide
-
Haloferax mediterranei

Metals/Ions

Metals/Ions Comment Organism Structure
Cs+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei
K+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei
Li+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei
Na+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei
NH4+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei
Rb+ 0.8 M KCl optimal, can be replaced by NaCl, CsCl, RbCl, NH4Cl, LiCl Haloferax mediterranei

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
14000
-
L8S8, 8 * 56000 (L) + 8 * 14000 (S), SDS-PAGE Haloferax mediterranei
56000
-
L8S8, 8 * 56000 (L) + 8 * 14000 (S), SDS-PAGE Haloferax mediterranei
500000
-
sucrose density gradient centrifugation Haloferax mediterranei

Natural Substrates/ Products (Substrates)

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

Organism

Organism UniProt Comment Textmining
Haloferax mediterranei
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Haloferax mediterranei

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 Haloferax mediterranei

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.052
-
carboxylase Haloferax mediterranei

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-Ribulose 1,5-bisphosphate + CO2
-
Haloferax mediterranei D-3-Phosphoglycerate
-
?
D-Ribulose 1,5-bisphosphate + CO2
-
Haloferax mediterranei ?
-
?

Subunits

Subunits Comment Organism
hexadecamer L8S8, 8 * 56000 (L) + 8 * 14000 (S), SDS-PAGE Haloferax mediterranei

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Haloferax mediterranei

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
45
-
diminished activity above Haloferax mediterranei

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8
-
-
Haloferax mediterranei