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Literature summary extracted from

  • Leclerc, M.; Chemardin, P.; Arnaud, A.; Ratomahenina, R.; Galzy, P.; Gerbaud, C.; Raynal, A.; Guerineau, M.
    Comparison of the properties of the purified beta-glucosidase from the transformed strain of Saccharomyces cerevisiae TYKF2 with that of the donor strain Kluyveromyces fragilis Y610 (1987), Biotechnol. Appl. Biochem., 9, 410-422.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.2.1.21 ethanol activation up to 3 mM, above inactivation Kluyveromyces marxianus

Cloned(Commentary)

EC Number Cloned (Comment) Organism
3.2.1.21 expression in Saccharomyces cerevisiae Kluyveromyces marxianus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.21 beta-D-glucose competitive inhibition, Ki: 1.6 mM Kluyveromyces marxianus
3.2.1.21 Hg2+ strong inhibition at 10 mM Kluyveromyces marxianus
3.2.1.21 Ni2+ strong inhibition at 10 mM Kluyveromyces marxianus
3.2.1.21 Pb2+ strong inhibition at 10 mM Kluyveromyces marxianus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.21 0.27
-
4-nitrophenyl-beta-D-glucopyranoside
-
Kluyveromyces marxianus
3.2.1.21 1.4
-
Salicin
-
Kluyveromyces marxianus
3.2.1.21 5
-
arbutin
-
Kluyveromyces marxianus
3.2.1.21 33
-
methyl-beta-D-glucoside
-
Kluyveromyces marxianus
3.2.1.21 64
-
cellobiose
-
Kluyveromyces marxianus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.21 90000
-
4 * 90000, SDS-PAGE Kluyveromyces marxianus
3.2.1.21 320000
-
gel filtration, recombinant and native enzyme Kluyveromyces marxianus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.21 4-O-beta-D-glucopyranosyl-D-glucose + H2O Kluyveromyces marxianus cellobiose beta-D-glucose + D-glucose
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.21 Kluyveromyces marxianus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.21 to homogeneity, native and recombinant enzyme Kluyveromyces marxianus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.21 cell culture
-
Kluyveromyces marxianus
-
3.2.1.21 additional information
-
Kluyveromyces marxianus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.21 7.86
-
native enzyme Kluyveromyces marxianus
3.2.1.21 64.4
-
recombinant enzyme Kluyveromyces marxianus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.21 (2-hydroxymethylphenyl)-beta-D-glucopyranoside + H2O low activity Kluyveromyces marxianus 2-hydroxymethylphenol + beta-D-glucose
-
?
3.2.1.21 (2-hydroxymethylphenyl)-beta-D-glucopyranoside + H2O salicin Kluyveromyces marxianus 2-hydroxymethylphenol + beta-D-glucose
-
?
3.2.1.21 (4-hydroxyphenyl)-beta-D-glucopyranoside + H2O arbutin Kluyveromyces marxianus 4-hydroxyphenol + beta-D-glucopyranose
-
?
3.2.1.21 4-nitrophenyl beta-D-glucopyranoside + H2O
-
Kluyveromyces marxianus 4-nitrophenol + D-glucopyranose
-
?
3.2.1.21 4-O-beta-D-glucopyranosyl-D-glucose + H2O cellobiose Kluyveromyces marxianus beta-D-glucose + D-glucose
-
?
3.2.1.21 cellobiose + H2O
-
Kluyveromyces marxianus 2 beta-D-glucose
-
?
3.2.1.21 methyl-beta-D-glucoside + H2O
-
Kluyveromyces marxianus beta-D-glucose + methanol
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.21 tetramer 4 * 90000, SDS-PAGE Kluyveromyces marxianus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.2.1.21 55
-
-
Kluyveromyces marxianus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.21 5.8
-
-
Kluyveromyces marxianus