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Literature summary extracted from

  • Etcheberrigaray, J.L.; Vattuone, M.A.; Sampietro, A.R.
    beta-Galactosidase from sugar cane (1986), Phytochemistry, 20, 49-51.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.23 2-mercaptoethanol 75 mM, 13% activation Saccharum officinarum
3.2.1.23 Cys 16-24 mM, 10% activation Saccharum officinarum
3.2.1.23 ethanol 0.84 M, 32% activation Saccharum officinarum
3.2.1.23 sucrose 350 mM, 5% activation Saccharum officinarum

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.23 Cys 8 mM, 7.5% inhibition Saccharum officinarum
3.2.1.23 Hg2+ 0.005 mM, 64.5% inhibition Saccharum officinarum
3.2.1.23 sucrose 30 mM, 10% inhibition Saccharum officinarum

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
3.2.1.23 cell wall most of the activity is associated with Saccharum officinarum 5618
-
3.2.1.23 intracellular 12-16% of the activity Saccharum officinarum 5622
-

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.2.1.23 Co2+ 30 mM, 6% activation Saccharum officinarum
3.2.1.23 Mg2+ 30 mM, 20% activation Saccharum officinarum
3.2.1.23 Mn2+ 30 mM, 25% activation Saccharum officinarum
3.2.1.23 Zn2+ 30 mM, 10% activation Saccharum officinarum

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.23 Saccharum officinarum
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.23 leaf blades and sheaths Saccharum officinarum
-
3.2.1.23 root elongation zone and hair zone Saccharum officinarum
-
3.2.1.23 stem
-
 Saccharum officinarum
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.23 lactose + H2O
-
 Saccharum officinarum D-glucose + D-galactose
-
 ?
3.2.1.23 o-nitrophenyl-beta-D-galactoside + H2O
-
 Saccharum officinarum o-nitrophenol + beta-D-galactose
-
 ?
3.2.1.23 p-nitrophenyl-beta-D-galactoside + H2O
-
 Saccharum officinarum p-nitrophenol + beta-D-galactose
-
 ?
3.2.1.23 phenyl-beta-D-galactoside + H2O
-
 Saccharum officinarum phenol + beta-D-galactose
-
 ?

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.23 47
-
 pH 4, 60 min, 42% loss of activity Saccharum officinarum
3.2.1.23 50
-
 50 min, complete inactivation Saccharum officinarum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.23 4.3
-
-
 Saccharum officinarum

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.23 4.5 6.7 37°C, maximal stability Saccharum officinarum