T9777
Trypsin-chymotrypsin inhibitor
lyophilized powder
Sinónimos:
Bowman-Birk Inhibitor
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About This Item
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Nombre del producto
Trypsin-chymotrypsin inhibitor from Glycine max (soybean), lyophilized powder
biological source
Glycine max (soybean)
Quality Level
form
lyophilized powder
composition
Protein, 70-90% biuret
storage temp.
2-8°C
General description
Highly cross-linked with seven disulfide bridges, Bowman-Birk inhibitor has spatially distinct domains for trypsin and chymotrypsin inhibition.
Trypsin-chymotrypsin inhibitor belongs to the family of plant protease inhibitors. It is mainly found in the legume (Fabaceae) and cereal (Poaceae) families. Trypsin-chymotrypsin inhibitor consists of many internal disulfide bonds between conserved Cys residues, which maintains structural stability and active conformation of the inhibitory loops. Trypsin-chymotrypsin has anticarcinogenic properties.
Application
Bowman Birk protease inhibitor prevents radiation-induced carcinogenesis by a reduction of incorrect DNA repairs, resulting in a reduced amount of dicentric chromosomes.
Trypsin-chymotrypsin inhibitor from Glycine max (soybean) has been used for flow cytometric separase activity assay. It has also been used to inhibit trypsin and chymotrypsin for in vitro gastrointestinal (GI) digestion studies.
Unit Definition
One trypsin unit = ΔA253 of 0.001 per min with BAEE as substrate at pH 7.6 at 25 °C. Reaction volume = 3.2 mL (1 cm light path).
Physical form
Lyophilized powder containing phosphate buffer salts, pH 7.6
Analysis Note
1 mg protein will inhibit ≥0.5 mg trypsin with activity of ~10,000 BAEE units per mg protein or ≥1.0 mg chymotrypsin with activity of ~40 BTEE units per mg protein.
Other Notes
View more information on Trypsin Inhibitor.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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The Bowman‒Birk inhibitor (BBI), a protease inhibitor derived from soybeans, has been extensively studied in anti-tumor and anti-inflammation research. We recently reported that BBI has an anti-HIV-1 property in primary human macrophages. Because HSV-2 infection plays a role in facilitating
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Kennedy AR
American Journal of Clinical Nutrition, 68(6), 1406S-1412S (1998)
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Molecular nutrition & food research, 54(3), 396-405 (2009-11-04)
Bowman-Birk inhibitors (BBI) from soybean and related proteins are naturally occurring protease inhibitors with potential health-promoting properties within the gastrointestinal tract. In this work, we have investigated the effects of soybean BBI proteins on HT29 colon adenocarcinoma cells, compared with
Increased separase activity and occurrence of centrosome aberrations concur with transformation of MDS
Ruppenthal S, et al.
PLoS ONE, 13(1), e0191734-e0191734 (2018)
Artículos
Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.
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