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

BRENDA support

Literature summary extracted from

  • Krishnan, H.B.; Blanchette, J.T.; Okita, T.W.
    Wheat invertases. Characterization of cell wall-bound and soluble forms (1985), Plant Physiol., 78, 241-245.
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.26 Ag+ 0.004 mM, complete inhibition; AgNO3 Triticum aestivum
3.2.1.26 Hg2+ 0.002 mM, complete inhibition; HgCl2 Triticum aestivum
3.2.1.26 I2 0.004 mM, complete inhibition Triticum aestivum
3.2.1.26 PCMB
-
Triticum aestivum
3.2.1.26 pyridoxal 1 mM, 15% inhibition Triticum aestivum
3.2.1.26 pyridoxamine 10 mM, 85% inhibition Triticum aestivum
3.2.1.26 pyridoxine 2.5 mM, 24% inhibition Triticum aestivum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.26 1.7
-
sucrose cell-wall bound enzyme Triticum aestivum
3.2.1.26 3.5
-
sucrose soluble enzyme Triticum aestivum
3.2.1.26 19.6
-
raffinose soluble enzyme Triticum aestivum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.26 cell wall bound to Triticum aestivum 5618
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.26 53000
-
x * 53000, SDS-PAGE Triticum aestivum
3.2.1.26 158000
-
gel filtration Triticum aestivum

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.26 Triticum aestivum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.26 soluble enzyme Triticum aestivum

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.26 coleoptile a soluble and a cell wall-bound enzyme Triticum aestivum
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.26 1305
-
-
Triticum aestivum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.26 raffinose + H2O soluble enzyme Triticum aestivum fructose + melibiose
-
?
3.2.1.26 sucrose + H2O
-
Triticum aestivum D-fructose + D-glucose
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.26 ? x * 53000, SDS-PAGE Triticum aestivum

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.26 50
-
4 min, soluble enzyme retains 60% of its activity, cell-wall bound enzyme retains only 20% of its activity Triticum aestivum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.26 4.5
-
soluble enzyme Triticum aestivum
3.2.1.26 5.5
-
cell-wall bound enzyme Triticum aestivum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.26 4 5 pH 4.0: about 70% of maximal activity, pH 5.0: about 55% of maximal activity, cell-wall bound enzyme Triticum aestivum
3.2.1.26 4.5 6 about 70% of maximal activity at pH 4.5 and at pH 6.0 Triticum aestivum