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T9777

Sigma-Aldrich

Trypsin-chymotrypsin inhibitor

lyophilized powder

Sinonimo/i:

Bowman-Birk Inhibitor

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About This Item

Numero CAS:
37330-34-0
Numero MDL:
MFCD00132532
Codice UNSPSC:
12352202
NACRES:
NA.77

product name

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

Origine biologica

Glycine max (soybean)

Forma fisica

lyophilized powder

Composizione

Protein, 70-90% biuret

Temperatura di conservazione

2-8°C

Descrizione generale

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.

Applicazioni

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.

Definizione di unità

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).

Stato fisico

Lyophilized powder containing phosphate buffer salts, pH 7.6

Risultati analitici

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.

Altre note

View more information on Trypsin Inhibitor.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (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)
Visualizza tutti i documenti correlati

Articoli

Chymotrypsin

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

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