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Literature summary for 4.2.1.131 extracted from

  • Hiseni, A.; Arends, I.W.; Otten, L.G.
    Biochemical characterization of the carotenoid 1,2-hydratases (CrtC) from Rubrivivax gelatinosus and Thiocapsa roseopersicina (2011), Appl. Microbiol. Biotechnol., 91, 1029-1036.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Rubrivivax gelatinosus
expression in Escherichia coli Thiocapsa roseopersicina

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.0095
-
lycopene pH 8.0, 28°C Thiocapsa roseopersicina
0.024
-
lycopene pH 8.0, 28°C Rubrivivax gelatinosus

Metals/Ions

Metals/Ions Comment Organism Structure
additional information protein samples do not contain any significant amounts of iron, zinc, cobalt, nickel, or molybdenum Rubrivivax gelatinosus
additional information protein samples do not contain any significant amounts of iron, zinc, cobalt, nickel, or molybdenum Thiocapsa roseopersicina

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
38000
-
x * 38000, SDS-PAGE Thiocapsa roseopersicina
40000
-
x * 40000, SDS-PAGE Rubrivivax gelatinosus

Organism

Organism UniProt Comment Textmining
Rubrivivax gelatinosus
-
-
-
Thiocapsa roseopersicina
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
geranylgeraniol + H2O
-
Rubrivivax gelatinosus ? conversion rate about 5% ?
geranylgeraniol + H2O
-
Thiocapsa roseopersicina ? conversion rate about 5% ?
lycopene + H2O
-
Rubrivivax gelatinosus 1,1'-dihydroxylycopene conversion rate about 30% ?
lycopene + H2O
-
Thiocapsa roseopersicina 1,1'-dihydroxylycopene conversion rate about 30% ?
lycopene + H2O
-
Rubrivivax gelatinosus 1-hydroxylycopene conversion rate about 30% ?
lycopene + H2O
-
Thiocapsa roseopersicina 1-hydroxylycopene conversion rate about 30% ?

Subunits

Subunits Comment Organism
? x * 38000, SDS-PAGE Thiocapsa roseopersicina
? x * 40000, SDS-PAGE Rubrivivax gelatinosus

Synonyms

Synonyms Comment Organism
CrtC
-
Rubrivivax gelatinosus
CrtC
-
Thiocapsa roseopersicina

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Rubrivivax gelatinosus
30
-
-
Thiocapsa roseopersicina

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
25 35
-
Rubrivivax gelatinosus
25 35
-
Thiocapsa roseopersicina

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
5
-
maximum stability Rubrivivax gelatinosus
5
-
maximum stability Thiocapsa roseopersicina
45
-
30 min, about 50-60% residual activity Rubrivivax gelatinosus
45
-
30 min, about 50-60% residual activity Thiocapsa roseopersicina
50
-
30 min, 30% residual activity Thiocapsa roseopersicina
50
-
30 min, 5% resiudal activity Rubrivivax gelatinosus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8
-
Rubrivivax gelatinosus
8
-
-
Thiocapsa roseopersicina

pH Range

pH Minimum pH Maximum Comment Organism
5
-
no activity below Rubrivivax gelatinosus
5
-
no activity below Thiocapsa roseopersicina
7
-
50% residual activity Thiocapsa roseopersicina
9
-
about 50% residual activity Rubrivivax gelatinosus
9
-
about 50% residual activity Thiocapsa roseopersicina

Cofactor

Cofactor Comment Organism Structure
additional information no cofactor required Rubrivivax gelatinosus
additional information no cofactor required Thiocapsa roseopersicina

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.16
-
lycopene pH 8.0, 28°C Rubrivivax gelatinosus
0.19
-
lycopene pH 8.0, 28°C Thiocapsa roseopersicina