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Literature summary for 3.2.1.38 extracted from

  • Colas, B.
    Kinetic studies on beta-D-fucosidases of Achatina balteata (1980), Biochim. Biophys. Acta, 613, 448-458.
    View publication on PubMed
Search for more literature for 3.2.1.38

Inhibitors

Inhibitors Comment Organism Structure
4-O-beta-D-galactopyranosyl-D-glucose competitive inhibition Achatina balteata
Ca2+ slight inhibition at 50 mM, beta-D-fucosidase II not affected Achatina balteata
Co2+ 50% inhibition at 50 mM for beta-D-fucosidase I, 22% inhibition for beta-D-fucosidase II Achatina balteata
Cu2+ complete inhibition for both beta-D-fucosidases I + II at 50 mM Achatina balteata
F- slight inhibition at 50 mM, beta-D-fucosidase II less affected Achatina balteata
Mn2+ slight inhibition at 50 mM, beta-D-fucosidase II less affected Achatina balteata
Ni2+ 47% inhibition at 50 mM for beta-D-.fucosidase I, 25% inhibition at 50 mM for beta-D-fucosidase II Achatina balteata
Tris competitive inhibitor; non-competitive inhibition for beta-D-fucosidase I, competitive inhibition for beta-D-fucosidase II Achatina balteata
Zn2+ strong inhibition at 50 mM, beat-D-fucosidase II less affected Achatina balteata

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
 Achatina balteata
-
-

Organism

Organism UniProt Comment Textmining
Achatina balteata
-
 african snail
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity Achatina balteata

Source Tissue

Source Tissue Comment Organism Textmining
digestive juice two forms, beta-fucosidase I and beta-fucosidase II Achatina balteata
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-O-beta-D-galactopyranosyl-D-glucose + H2O
-
 Achatina balteata beta-D-galactose + D-glucose
-
 ?
4-O-beta-D-glucopyranosyl-D-glucose + H2O
-
 Achatina balteata beta-D-glucose + D-glucose
-
 ?
6-bromo-2-naphthyl-beta-D-fucoside + H2O
-
 Achatina balteata 6-bromo-2-naphthol + beta-D-fucose
-
 ?
6-bromo-2-naphthyl-beta-D-galactoside + H2O
-
 Achatina balteata 6-bromo-2-naphthol + beta-D-galactose
-
 ?
6-bromo-2-naphthyl-beta-D-glucoside + H2O
-
 Achatina balteata 6-bromo-2-naphthol + beta-D-glucose
-
 ?
o-nitrophenyl-beta-D-galactoside + H2O
-
 Achatina balteata o-nitrophenol + beta-D-galactose
-
 ?
o-nitrophenyl-beta-D-glucoside + H2O
-
 Achatina balteata o-nitrophenol + beta-D-glucose
-
 ?
p-nitrophenyl-beta-D-fucoside + H2O specific for the beta-anomeric configuration of the glycosidic linkage, high binding specificity towards beta-D-fucoside for both beta-D-fucosidases I + II Achatina balteata p-nitrophenol + beta-D-fucose
-
 ?
p-nitrophenyl-beta-D-fucoside + H2O maximum catalytic activity Achatina balteata p-nitrophenol + beta-D-fucose
-
 ?
p-nitrophenyl-beta-D-galactoside + H2O
-
 Achatina balteata p-nitrophenol + beta-D-galactose
-
 ?
p-nitrophenyl-beta-D-glucoside + H2O
-
 Achatina balteata p-nitrophenol + beta-D-glucose
-
 ?
p-nitrophenyl-beta-D-xyloside + H2O
-
 Achatina balteata p-nitrophenol + beta-D-xylose
-
 ?

Synonyms

Synonyms Comment Organism
beta-fucosidase I
-
 Achatina balteata
beta-fucosidase II
-
 Achatina balteata

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
51 52 beta-fucosidase I Achatina balteata
54 55 beta-fucosidase II Achatina balteata

pH Range

pH Minimum pH Maximum Comment Organism
5.2 5.6 for both beta-fucosidase I + II Achatina balteata