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Literature summary for 3.2.1.21 extracted from

  • Sue, M.; Ishihara, A.; Iwamura, H.
    Purification and characterization of a hydroxamic acid glucoside beta-glucosidase from wheat (Triticum aestivum L.) seedlings (2000), Planta, 210, 432-438.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.24
-
esculin 30°C, pH 5.5 Triticum aestivum
0.27
-
2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one-beta-D-glucoside 30°C, pH 5.5 Triticum aestivum
0.32
-
2-hydroxy-7-methoxy-1,4-benzoxazin-3-one-beta-D-glucoside 30°C, pH 5.5 Triticum aestivum
0.67
-
p-nitrophenyl-beta-D-fucopyranoside 30°C, pH 5.5 Triticum aestivum
1.34
-
2,4-dihydroxy-1,4-benzoxazin-3-one glucoside 30°C, pH 5.5 Triticum aestivum
1.7
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 5.5 Triticum aestivum
1.78
-
p-nitrophenyl-beta-D-glucopyranoside 30°C, pH 5.5 Triticum aestivum
2
-
2-hydroxy-1,4-benzoxazin-3-one-beta-D-glucoside 30°C, pH 5.5 Triticum aestivum
3.1
-
p-nitrophenyl-beta-D-xylopyranoside 30°C, pH 5.5 Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
260000 300000 gel filtration Triticum aestivum

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
cryoprecipitation, Accell Plus CM, Superdex 200 Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
seedling
-
Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
40.3
-
hydrolysis of 2,4-dihydroxy-1,4-benzoxazin-3-one-beta-D-glucoside Triticum aestivum
202.3
-
hydrolysis of 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one-beta-D-glucoside Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2,4-dihydroxy-1,4-benzoxazin-3-one-beta-D-glucoside + H2O
-
Triticum aestivum 2,4-dihydroxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one glucoside + H2O
-
Triticum aestivum 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one-beta-D-glucoside + H2O
-
Triticum aestivum 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
2-hydroxy-1,4-benzoxazin-3-one-beta-D-glucoside + H2O
-
Triticum aestivum 2-hydroxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
2-hydroxy-7-methoxy-1,4-benzoxazin-3-one-beta-D-glucoside + H2O
-
Triticum aestivum 2-hydroxy-7-methoxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
2-O-beta-D-glucopyranosyl-4-hydroxy-7-demethoxy-1,4-benzoxazin-3-one + H2O
-
Triticum aestivum 2,4-dihydroxy-7-demethoxy-1,4-benzoxazin-3-one + beta-D-glucose
-
?
apigenin-beta-D-glucoside + H2O
-
Triticum aestivum apigenin + beta-D-glucose
-
?
biochanin A 7-O-beta-D-glucopyranoside + H2O
-
Triticum aestivum biochanin A + beta-D-glucose
-
?
esculin + H2O
-
Triticum aestivum beta-D-glucose + esculetin
-
?
genistein-beta-D-glucoside + H2O
-
Triticum aestivum genistein + beta-D-glucose
-
?
luteolin-beta-D-glucoside + H2O weak activity Triticum aestivum luteolin + beta-D-glucose
-
?
p-nitrophenyl-beta-D-fucopyranoside + H2O weak activity Triticum aestivum p-nitrophenol + beta-D-fucose
-
?
p-nitrophenyl-beta-D-galactopyranoside + H2O weak activity Triticum aestivum p-nitrophenol + beta-D-galactose
-
?
p-nitrophenyl-beta-D-glucopyranoside + H2O
-
Triticum aestivum p-nitrophenol + beta-D-glucose
-
?
p-nitrophenyl-beta-D-xylopyranoside + H2O weak activity Triticum aestivum p-nitrophenol + beta-D-xylose
-
?

Subunits

Subunits Comment Organism
? x * 58000-60000, SDS-PAGE Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5.5
-
-
Triticum aestivum