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Merck

T1886

Trypsin inhibitor from chicken egg white

Type IV-O, Purified Ovoinhibitor

Synonym(s):

Ovomucoid

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About This Item

CAS Number:
UNSPSC Code:
12352202
EC Number:
232-906-9
MDL number:
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type

Type IV-O

storage temp.

−20°C

General description

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.

Preparation Note

Prepared from Type II-O using method C of Tomimatsu, Y., et al., Arch. Biochem. Biophys., 115, 536 (1966).

Analysis Note

Protein determined by biuret.

Other Notes

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.


pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

T1886-25MG: + T1886-10MG: + T1886-1MG: + T1886-5MG: + T1886-BULK:

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