Hermetica Superfood Encyclopedia
Legacy index-continuity record: the score and narrative are provisional and must not be represented as validated or human-approved.
Review flags: AWAITING_SEMANTIC_VALIDATION
Beta-Glucuronidase (EC 3.2.1.31) is a hydrolase enzyme that catalyzes the cleavage of β-D-glucuronides, releasing D-glucuronic acid and an aglycone. This involves a retaining SN2 mechanism, essential for deconjugating various toxins, hormones, and drugs.
Reported Benefits (Provisional)
Origin & History
Glucuronidase (EC 3.2.1.31) is a hydrolase enzyme that cleaves β-D-glucuronic acid residues from glucuronide conjugates, releasing free aglycones and glucuronic acid. Found in the liver, intestines, and microbiota, it plays a vital role in xenobiotic metabolism, hormone regulation, and detoxification processes. Glucuronidase is also widely used in pharmaceutical research, diagnostics, and environmental remediation.
Research Narrative (Provisional)
Glucuronidase is supported by extensive research on its role in enterohepatic recirculation, drug deconjugation, and estrogen metabolism. Its activity is validated across pharmaceutical, clinical, and environmental models, highlighting its significance in detoxification pathways.
Preparation & Dosage
Dosage guidance is withheld because the publication gate has not recorded adequate support for this profile.
Nutritional Profile
- Substrate Specificity: Targets β-D-glucuronic acid linkages for efficient glucuronide hydrolysis. - Operational Range: Functions optimally at pH 5.0–7.5 and temperatures of 25–50°C, depending on origin. - Catalytic Efficiency: Enhances metabolic turnover and detoxification through phase II deconjugation. - Synergy: Complements sulfatases, cytochrome P450s, and other detoxification enzymes in biotransformation pathways.
Reported Mechanism (Provisional)
Beta-Glucuronidase catalyzes the hydrolysis of β-D-glucuronides, cleaving the β-D-glucuronic acid residue from various substrates to release D-glucuronic acid and an aglycone. This reaction occurs via a retaining SN2 mechanism, involving specific residues like Glu540 (nucleophile) and Glu451 (acid/base) in the human enzyme. It acts on a wide range of compounds, including liver-conjugated drugs, dietary xenobiotics, and endogenous molecules such as proteoglycans, facilitating their deconjugation.
Clinical Narrative (Provisional)
Research on β-Glucuronidase is extensive, encompassing studies across pharmaceutical, clinical, and environmental models. These investigations validate its crucial role in processes like enterohepatic recirculation, drug deconjugation, and estrogen metabolism. Clinical and in-vitro studies confirm its ability to hydrolyze glucuronide conjugates, thereby influencing drug bioavailability and supporting the excretion of toxins and hormones. While specific human trial data are not detailed, its enzymatic activity and physiological significance are well-established.
Also Known As
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