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T2011

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 III-O (free of ovoinhibitor)

Origine biologica

chicken egg white

Livello qualitativo

300

Tipo

Type III-O (free of ovoinhibitor)

Forma fisica

powder

PM

14 kDa

Solubilità

water: soluble 10 g/L

Temperatura di conservazione

2-8°C

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Descrizione generale

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 terminate proteolysis reaction
  • in OVO-1 solution to triturate the cell suspension for the dissociation of retina
  • in phosphate buffered saline for dissociation of cortices

Azioni biochim/fisiol

Ovomucoid possesses trypsin inhibitor activity. It has several conformational and linear epitopes that can be bound by immunoglobulin E (IgE). It is highly stable against heat and proteolysis.

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.

Altre note

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)

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Meeyong Shin et al.
Allergy, asthma & immunology research, 5(1), 42-47 (2013-01-02)
It is known that ovomucoid, an egg allergen, is heat resistant and remains soluble after heating. However, a recent study showed that the antigenic activity of ovomucoid could be reduced by heating when egg white (EW) was mixed with wheat
ORF7 of Varicella-Zoster Virus Is Required for Viral Cytoplasmic Envelopment in Differentiated Neuronal Cells
Jiang HF, et al.
Journal of virology, 91(12) (2017)
Ovomucoid specific immunoglobulin E as a predictor of tolerance to cooked egg
Bartnikas LM, et al.
Allergy & rhinology (Providence, R.I.), 6(3), ar-2015 (2015)
Meeyong Shin et al.
Allergy, asthma & immunology research, 5(2), 96-101 (2013-03-02)
The present study was performed to determine the factor, either duration or the temperature of heat treatment, exerting maximal and significant influence on the composition and allergenicity of egg white (EW) proteins. Raw EW and 4 kinds of heated EW
Manipulation of the N-terminal sequence of the Borna disease virus X protein improves its mitochondrial targeting and neuroprotective potential
Ferree C, et al.
Faseb Journal (2015)
Visualizza tutti i documenti correlati

Protocolli

Enzymatic Assay of Trypsin Inhibitor

Enzymatic Assay of Trypsin Inhibitor

Chromatograms

application for HPLC

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