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Literature summary for 3.2.1.31 extracted from

  • Gupta, G.S.; Singh, G.P.
    Isolation and characterization of the major form of beta-glucuronidase from human seminal plasma (1983), Biochim. Biophys. Acta, 748, 398-404.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Homo sapiens
ascorbic acid
-
Homo sapiens
Cu2+
-
Homo sapiens
D-saccharic acid 1,4-lactone
-
Homo sapiens
Hg2+ reversed by EDTA Homo sapiens
Ni2+
-
Homo sapiens

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.018 3.08 phenolphthalein beta-D-glucuronide dependency on pH Homo sapiens
0.13 2.9 p-nitrophenyl-beta-D-glucuronide
-
Homo sapiens

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
250000 310000 gel filtration Homo sapiens

Organism

Organism UniProt Comment Textmining
Homo sapiens
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Homo sapiens

Source Tissue

Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl beta-D-glucuronide + H2O
-
Homo sapiens 4-nitrophenol + D-glucuronic acid
-
?
phenolphthalein beta-D-glucuronide + H2O
-
Homo sapiens phenolphthalein + D-glucuronic acid
-
?
phenolphthalein-beta-D-glucuronide + H2O
-
Homo sapiens phenolphthalein + D-glucuronic acid
-
?

Subunits

Subunits Comment Organism
tetramer SDS-PAGE Homo sapiens
tetramer 4 * 70000-80000, man, 2 identical 2 non-identical chains Homo sapiens

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
70
-
-
Homo sapiens

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
depending on pH, substrate protects against inactivation Homo sapiens

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.3
-
-
Homo sapiens
4.7
-
-
Homo sapiens