β-Glucuronidase from Helix pomatia Type HP-2S, aqueous solution, ≥90,000 units/mL Sigma G7770
Quality Many β-glucuronidases derived from mollusks also contain sulfatase activity.Some preparations have been reported to contain acid phosphatase activity. Unit Definition..
β-Glucuronidase from bovine liver Type B-1, ≥1,000,000 units/g solid Sigma G0251
Packaging 100000, 500000, 1000000, 5000000 units in poly bottle Unit Definition One Sigma or modified Fishman unit will liberate..
β-Glucuronidase from bovine liver Type B-10, ~10,000 units/mg solid Sigma G0501
Packaging 100000, 500000, 1000000 units in poly bottle Unit Definition One Sigma or modified Fishman unit will liberate 1.0 _..
β-Glucuronidase from bovine liver Type B-3, ≥2,000,000 units/g solid Sigma G0376
Packaging 500000, 1000000, 5000000 units in poly bottle Unit Definition One Sigma or modified Fishman unit will liberate 1.0 ..
β-Glucuronidase from limpets (Patella vulgata) aqueous solution, ≥85,000 units/mL Sigma G2174
Application The enzyme from patella vulgata is reported to be more effective in hydrolyzing opioid-glucuronides than the Helix pomatia, bovine liver and E. coli enzymes Unit Defin..
β-Glucuronidase from limpets (Patella vulgata) Type L-II, lyophilized powder, 1,000,000-3,000,000 units/g solid Sigma G8132
Application The enzyme from patella vulgata is reported to be more effective in hydrolyzing opioid-glucuronides than the Helix pomatia, bovine liver and E. coli enzymes ..
β-Glucuronidase, Lymphocyte Sigma 181C
Diagnostic Implications Demonstration of lymphocyte β-glucuronidase activity (focal staining pattern) in cytocentrifuge or buffy coat preparations from blood, bone marrow films and tissue touch preparations typifie..
β-Glutamic acid Sigma G1763
Biochem/physiol Actions β-Glutamic acid (β-Glu) is used as an osmolyte in many archaea. β-Glutamic acid may be used as a substrate to study the specificity and kinetics of archaeal and bacterial glutamine..
β-Hydroxybutyrate Dehydrogenase from Pseudomonas lemoignei lyophilized powder, ≥200 units/mg protein Sigma H9408
Application Suitable for the determination of acetoacetate and D(-)-3-hydroxybutyrate by the method of Williamson, D. H., and Mellanby, J., Methods of Enzymatic Analysis, Bergmeyer, H., ed., 2nd edition, 4, 1836 (1974)...
β-Hydroxybutyrate Dehydrogenase from Rhodopseudomonas sphaeroides Type V, lyophilized powder, 250-750 units/mg protein Sigma H8509
Application Suitable for the determination of acetoacetate and D(-)-3-hydroxybutyrate by the method of Williamson, D. H., and Mellanby, J., Methods of Enzymatic Analysis, Bergmeyer, H., ed., 2nd edition, 4, 1836 (1974)...
β-Hydroxypyruvic acid ≥95.0% (dry substance, T) Sigma 06372
Biochem/physiol Actions Metabolite involved in the pathway of carbon in photorespiration1. ..
β-Lactamase Blend recombinant, expressed in E. coli Sigma L7920
Components 600-1500 IU beta-lactamase I per vial60-100 IU beta-lactamase II per vial Unit Definition One unit will hydrolyze 1.0..
β-Lactamase from Enterobacter cloacae Type III, lyophilized powder, 6-18 units/mg protein (using benzylpenicillin) Sigma P4399
Analysis Note Protein determined by biuret Application β--lactamase is used to inactivate β-lactam antibiotics by brea..
β-Lactamase from Enterobacter cloacae Type IV, lyophilized powder, 0.2-0.6 units/mg protein (using benzylpenicillin) Sigma P4524
Analysis Note Protein determined by biuret. Biochem/physiol Actions β--lactamase inactivates β-lactam antibiotics by b..
β-Lactamase from Pseudomonas fluorescens lyophilized powder, recombinant, expressed in E. coli Sigma L3045
Unit Definition One unit will hydrolyze 1.0 μmole of benzylpenicillin per minute at pH 7.0 at 25 °C Physical form Ly..