Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary extracted from

  • Cammann, J.; Denzel, K.; Schilling, G.; Gross, G.
    Biosynthesis of gallotannins: beta-glucogallin-dependent formation of 1,2,3,4,6-pentagalloylglucose by enzymatic galloylation of 1,2,3,6-tetragalloylglucose (1989), Arch. Biochem. Biophys., 273, 58-63.
    View publication on PubMed

General Stability

EC Number General Stability Organism
2.3.1.143 0-4°C, within 1-2 weeks no significant loss of activity Quercus rubra

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.3.1.143 1
-
1,2,3,6-tetra-O-galloyl-beta-D-glucose
-
Quercus rubra
2.3.1.143 2.3
-
1-O-Galloyl-beta-D-glucose
-
Quercus rubra

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.3.1.143 260000
-
gel filtration Quercus rubra

Organism

EC Number Organism UniProt Comment Textmining
2.3.1.143 Quercus rubra
-
oak
-

Oxidation Stability

EC Number Oxidation Stability Organism
2.3.1.143 O2-sensitive, buffers have to be supplemented with 5 mM 2-mercaptoethanol Quercus rubra

Purification (Commentary)

EC Number Purification (Comment) Organism
2.3.1.143 partial Quercus rubra

Reaction

EC Number Reaction Comment Organism Reaction ID
2.3.1.143 1-O-galloyl-beta-D-glucose + 1,2,3,6-tetrakis-O-galloyl-beta-D-glucose = D-glucose + 1,2,3,4,6-pentakis-O-galloyl-beta-D-glucose stoichiometry Quercus rubra

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.3.1.143 leaf
-
Quercus rubra
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.3.1.143 1-O-galloyl-beta-D-glucose + 1,2,3,6-tetra-O-galloyl-beta-D-glucose 1-O-galloyl-beta-D-glucose is beta-glucogallin, no activity with 1,2,4,6-isomer Quercus rubra D-glucose + 1,2,3,4,6-penta-O-galloyl-beta-D-glucose
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.3.1.143 40
-
-
Quercus rubra

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
2.3.1.143 additional information
-
some activity at 0°C Quercus rubra

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.3.1.143 6.3
-
-
Quercus rubra

pH Range

EC Number pH Minimum pH Maximum Comment Organism
2.3.1.143 4 8 50% of maximal activity at pH 4.0 and pH 8.0 Quercus rubra

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
2.3.1.143 5 6.5
-
Quercus rubra