EINECS 编号 232-788-9
MDL number MFCD00081476
PubChem Substance ID 24893175
Popular Documents: Specification Sheet (PDF)
Frequently Asked Questions are available for this Product.
Protein determined by biuret.
1, 5 mg in glass bottle
Package size based on protein content
Treated with protease inhibitor, AEBSF, to eliminate serine protease activity.
One unit will hydrolyze 1.0 μmole of hippuryl-
Contains HEPES buffer salts, zinc chloride and carbohydrate
Carboxypeptidase B has been used in a study to develop a non-invasive pregnancy assay for use in both captive and wild polar bears. Carboxypeptidase B has been used in a study that identified new potential biomarkers of acute pancreatitis.
The enzyme from Sigma has been used to develop homogeneous time-resolved fluorescence (HTRF) assay for measuring carboxypeptidase B activity in a miniaturized high-throughput screening format. It has been used to evaluate the impact of the C-terminal lysine(s) in human plasminogen binding to Bifidobacterium. The effect of treatment with carboxypeptidase B, which is a C-terminal lysine-specific endopeptidase, is measured using flow cytometry analysis.
Carboxypeptidase B is a proteolytic enzyme capable of rapidly hydrolyzing peptide bonds to release certain carboxyl-terminal basic amino acids from peptides and proteins. Its molecular mass is 34,300±600 Da. It contains one non-dialyzable gram atom of zinc per mole. The enzyme activity is inhibited by metal chelating agents 1, 10-phenanthroline, 8-hydroxyquinoline-5-sulf
form | lyophilized powder |
activity | ≥125 units/mg protein |
purified by | affinity chromatography |
composition | Protein, 40-70% |
foreign activity | carboxypeptidase A ≤1% |
chymotrypsin ≤0.1% | |
trypsin ≤5% | |
storage temp. | ?20°C |
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