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T9777

Sigma-Aldrich

Trypsin-chymotrypsin inhibitor

lyophilized powder

Sinônimo(s):

Bowman-Birk Inhibitor

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About This Item

Número CAS:
37330-34-0
Número MDL:
MFCD00132532
Código UNSPSC:
12352202
NACRES:
NA.77

product name

Trypsin-chymotrypsin inhibitor from Glycine max (soybean), lyophilized powder

fonte biológica

Glycine max (soybean)

forma

lyophilized powder

composição

Protein, 70-90% biuret

temperatura de armazenamento

2-8°C

Categorias relacionadas

Descrição geral

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.
Highly cross-linked with seven disulfide bridges, Bowman-Birk inhibitor has spatially distinct domains for trypsin and chymotrypsin inhibition.

Aplicação

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.

Definição da unidade

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).

forma física

Lyophilized powder containing phosphate buffer salts, pH 7.6

Nota de análise

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.

Outras notas

View more information on Trypsin Inhibitor.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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Ellen K Ulleberg et al.
Food digestion, 2(1-3), 52-61 (2012-05-05)
The aim of this study was to characterise the individual human gastric and duodenal juices to be used in in vitro model digestion and to examine the storage stability of the enzymes. Gastroduodenal juices were aspirated, and individual variations in
Alfonso Clemente et al.
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)
Epitopes resistance to the simulated gastrointestinal digestion of beta-lactoglobulin submitted to two-step enzymatic modification
Villas-Boas M, et al.
Food Research International, 72, 191-197 (2015)
Evidence for ancient origins of Bowman-Birk inhibitors from Selaginella moellendorffii
James AM, et al.
Plant Cell, 29(3), 461-473 (2017)
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Artigos

Chymotrypsin

Analytical Enzyme Chymotrypsin: Chymotrypsin is produced in the acinar cells of the pancreas as the inactive precursor, chymotrypsinogen.

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