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T9253

Sigma-Aldrich

Trypsin inhibitor

powder

Sinonimo/i:

Ovomucoid

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About This Item

Numero CAS:
9035-81-8
Numero CE:
232-906-9
Numero MDL:
MFCD00082102
Codice UNSPSC:
12352202
NACRES:
NA.77

product name

Trypsin inhibitor from chicken egg white, Type II-O, Partially purified ovomucoid, containing ovoinhibitor

Origine biologica

chicken egg white

Livello qualitativo

200

Tipo

Type II-O

Forma fisica

powder

PM

14 kDa

Solubilità

water: soluble 10 g/L

Temperatura di conservazione

2-8°C

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Descrizione generale

25% of ovomucoid comprises carbohydrate.
Ovomucoid or trypsin inhibitor is an abundant protein in most avian egg whites. The hen′s egg protein is composed of about 186 amino acid residues, and is highly glycosylated. Three tandem domains are each homologous with pancreatic trypsin inhibitor. It is highly immunogenic, and probably accounts for most cases of egg allergy.

Applicazioni

Trypsin inhibitor from chicken egg white has been used:
  • to produce denatured, oxidized and deglycosylated ovomucoid and used to stimulate patient derived cell cultures for mapping T cell epitopes
  • to treat nuclei for flow cytometric analysis
  • in Holtfreter′s solution, used for the dissociation of planarians into cells

Definizione di unità

One trypsin unit will produce a 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.

Risultati analitici

One mg will inhibit 0.8-1.6 mg of tryspin with activity of approx. 10,000 BAEE units per mg protein. May inhibit ≤0.3 mg of chymotrypsin with activity of approx. 40 BTEE units per mg protein.

Altre note

Ovomucoid, from chicken egg white, does not itself inhibit chymotrypsin. Chymotrypsin inhibition is a measure of ovoinhibitor contamination by method of Feeney, R. E., et al., J. Biol. Chem., 238, 1415 (1963).
View more information on Trypsin Inhibitor.

Applicazioni

N° Catalogo
Descrizione
Determinazione del prezzo

Pittogrammi

Health hazard
GHS08

Avvertenze

Danger

Indicazioni di pericolo

H317,H334

Classi di pericolo

Resp. Sens. 1 - Skin Sens. 1

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)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Novel B and T cell epitopes of chicken ovomucoid (Gal d 1) induce T cell secretion of IL-6, IL-13, and IFN-gamma
Holen E, et al.
Clinical and Experimental Allergy, 31(6), 952-964 (2001)
Expression of cyclin E in placentas with hydropic change and gestational trophoblastic diseases: implications for the malignant transformation of trophoblasts
Kim YT, et al.
Cancer, 89(3), 673-679 (2000)
Cultivation and characterization of planarian neuronal cells isolated by fluorescence activated cell sorting (FACS)
Asami M, et al.
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Articoli

Chymotrypsin

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

Protocolli

Enzymatic Assay of Trypsin Inhibitor

This technical article described the Enzymatic Assay of Trypsin Inhibitor.

Chromatograms

application for HPLC

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