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Literature summary for 4.2.2.16 extracted from

  • Song, K.B.; Bae, K.S.; Lee, Y.B.; Lee, K.Y.; Rhee, S.K.
    Characteristics of levan fructotransferase from Arthrobacter ureafaciens K2032 and difructose anhydride IV formation from levan (2000), Enzyme Microb. Technol., 27, 212-218.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
FeCl2 1 mM, 96% inhibition Paenarthrobacter ureafaciens
HgCl2 1 mM, complete inhibition Paenarthrobacter ureafaciens
KCl 1 mM, 11% inhibition Paenarthrobacter ureafaciens
LiCl 1 mM, 8% inhibition Paenarthrobacter ureafaciens
MgCl2 1 mM, 37% inhibition Paenarthrobacter ureafaciens
MnCl2 1 mM, 91% inhibition Paenarthrobacter ureafaciens
NH4Cl 1 mM, 54% inhibition Paenarthrobacter ureafaciens
NiCl2 1 mM, 26% inhibition Paenarthrobacter ureafaciens
SDS 10 mM, 68% inhibition Paenarthrobacter ureafaciens
ZnCl2 1 mM, 76% inhibition Paenarthrobacter ureafaciens

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Paenarthrobacter ureafaciens
-
-

Metals/Ions

Metals/Ions Comment Organism Structure
CaCl2 1 mM, activation to 156% of control. 10 mM, activation to 181% of control Paenarthrobacter ureafaciens
NaCl 1 mM, activation to 125% of control. 10 mM, activation to 142% of control Paenarthrobacter ureafaciens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
51000
-
2 * 51000, SDS-PAGE Paenarthrobacter ureafaciens
96000
-
gel filtration Paenarthrobacter ureafaciens

Organism

Organism UniProt Comment Textmining
Paenarthrobacter ureafaciens
-
-
-
Paenarthrobacter ureafaciens K2032
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Paenarthrobacter ureafaciens

Source Tissue

Source Tissue Comment Organism Textmining
culture medium
-
Paenarthrobacter ureafaciens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2269
-
-
Paenarthrobacter ureafaciens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
levan
-
Paenarthrobacter ureafaciens di-D-fructofuranose-2,6':2',6 dianhydride + ? and small amounts of several oligosaccharides and free fructose ?
levan
-
Paenarthrobacter ureafaciens K2032 di-D-fructofuranose-2,6':2',6 dianhydride + ? and small amounts of several oligosaccharides and free fructose ?

Subunits

Subunits Comment Organism
dimer 2 * 51000, SDS-PAGE Paenarthrobacter ureafaciens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
additional information
-
-
Paenarthrobacter ureafaciens

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
30 min, enzyme retains 87% of its activity Paenarthrobacter ureafaciens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.8
-
-
Paenarthrobacter ureafaciens