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Literature summary for 3.2.1.38 extracted from

  • Yamada, M.; Ikeda, K.; Egami, F.
    Further studies on glycosidases from liver of Turbo cornutus with special reference to beta-galactosidase, alpha-L-arabinosidase and beta-D-fucosidase activities (1973), J. Biochem., 73, 69-76.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
CuSO4 64% inhibition at 1 mM, alpha-L-arabinosidase activity less affected Turbo cornutus
Hg2+ 89% inhibition at 1 mM Turbo cornutus
KCN 70% inhibition at 1 mM, alpha-L-arabinosidase activity less affected Turbo cornutus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5
-
p-nitrophenyl-beta-D-galactoside
-
Turbo cornutus

Organism

Organism UniProt Comment Textmining
Turbo cornutus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
pH 8 treatment, 2step chromatography, activities towards beta-D-fucoside, beta-D-galactoside, beta-D-glucoside and alpha-L-arabinoside remain in the same protein peak Turbo cornutus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Turbo cornutus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.47
-
-
Turbo cornutus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
p-nitrophenyl-alpha-L-arabinoside + H2O low activity Turbo cornutus p-nitrophenol + alpha-L-arabinose
-
?
p-nitrophenyl-beta-D-fucoside + H2O highest activity towards beta-D-fucoside, also beta-D-galactosidase, beta-D-glucosidase and alpha-L-arabinosidase activities Turbo cornutus p-nitrophenol + beta-D-fucose
-
?
p-nitrophenyl-beta-D-galactoside + H2O
-
Turbo cornutus p-nitrophenol + beta-D-galactose
-
?
p-nitrophenyl-beta-D-glucoside + H2O
-
Turbo cornutus p-nitrophenol + beta-D-glucose
-
?

Synonyms

Synonyms Comment Organism
beta-D-galactosidase/beta-D-fucosidase
-
Turbo cornutus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
optimal pH for alpha-L-arabinosidase activity Turbo cornutus
5.5
-
optimal pH for beta-D-galactosidase, beta-D-glucosidase and beta-D-fucosidase activities Turbo cornutus