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Literature summary for 3.1.6.12 extracted from

  • Agogbua, S.I.O.; Wynn, C.H.
    Purification and properties of arylsulphatase B of human liver (1976), Biochem. J., 153, 415-421.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
dithiothreitol
-
Homo sapiens
EDTA 60% activation at 10 mM Homo sapiens

General Stability

General Stability Organism
freezing, purified enzyme, rapid loss of activity, after 24 h irreversible Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
Ca2+
-
Homo sapiens
Cu2+ bivalent cations are inhibitory Homo sapiens
iodoacetate
-
Homo sapiens
Mg2+
-
Homo sapiens
Mn2+ slight Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.8
-
nitrocatechol sulfate
-
Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
47000 54000 gel filtration Homo sapiens
57000 61000 sedimentation equilibrium Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
N-acetyl-D-galactosamine 4-sulfate units + H2O Homo sapiens acts also on N-acetylglucosamine 4-sulfate N-acetyl-D-galactosamine units + sulfate
-
?

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Oxidation Stability

Oxidation Stability Organism
photooxidation, with 1 mM Rose Bengal, 80% inactivation, no inactivation in presence of 1 mM pyridoxal phosphate and 30 mM 4-nitrocatechol Homo sapiens

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Homo sapiens
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
N-acetyl-D-galactosamine 4-sulfate units + H2O acts also on N-acetylglucosamine 4-sulfate Homo sapiens N-acetyl-D-galactosamine units + sulfate
-
?
p-nitrocatechol sulfate + H2O enzymes catalyze in addition to reaction of EC 3.1.6.12 also arylsulfatase reaction , see also EC 3.1.6.1 Homo sapiens p-nitrocatechol + sulfate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.1
-
nitrocatechol sulfate Homo sapiens