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Merck
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Key Documents

C0880

Sigma-Aldrich

Conalbumin from chicken egg white

Iron complex

Synonyme(s) :

Ovotransferrin

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About This Item

Numéro CAS:
1391-06-6
Numéro CE :
215-727-0
Numéro MDL:
MFCD00130856
Code UNSPSC :
12352202
Nomenclature NACRES :
NA.25

Source biologique

chicken egg white

Pureté

≥95% (agarose gel electrophoresis)

Forme

powder

Technique(s)

gel permeation chromatography (GPC): suitable

Numéro d'accès UniProt

P02789

Température de stockage

−20°C

Informations sur le gène

chicken ... TF(396241)

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Description générale

Iron-carrying proteins conalbumin and serum transferrin are synthesized with identical 19-amino-acid leader sequences that are removed during protein maturation. The leader sequences are presumably involved in secretion of the proteins by endoplasmic reticulum.

Application

Conalbumin (CA) is a monomeric glycoprotein that makes up approximately 13% of the albumin found in egg white. The iron complex of CA is more stable to chemical and physical treatments when compared to the uncomplexed proteins. At near neutral conditions, urea denaturation of CA modifies but does not destroy the iron complex.

Pictogrammes

Health hazard
GHS08

Mention d'avertissement

Danger

Mentions de danger

H317,H334

Conseils de prudence

P261 - P280 - P342 + P311

Classification des risques

Resp. Sens. 1 - Skin Sens. 1

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificats d'analyse (COA)

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The denaturation of proteins. IV. Conalbumin and iron(III)-conalbumin in urea solution.
A N GLAZER et al.
Biochimica et biophysica acta, 71, 109-123 (1963-04-02)
The resistances of conalbumin and its iron complex to physical and chemical treatments.
P R AZARI et al.
Archives of biochemistry and biophysics, 92, 44-52 (1961-01-01)
S N Thibodeau et al.
The Journal of biological chemistry, 253(11), 3771-3774 (1978-06-10)
The NH2-terminal sequences of egg white conalbumin and chicken serum transferrin were examined and found to be identical. Conalbumin, when synthesized in a rabbit reticulocyte cell-free translation system, was found to contain an NH2-terminal extension of 19 amino acid residues.
Kimihiko Mizutani et al.
Biochimica et biophysica acta, 1820(3), 203-211 (2011-08-23)
Transferrins are a group of iron-binding proteins including serum transferrin, lactoferrin and ovotransferrin. The structures of transferrins are discussed. The typical transferrin molecules are folded into two homologous lobes. X-ray crystallography revealed that each lobe is further divided into two
Lisa A Lambert
Biochimica et biophysica acta, 1820(3), 244-255 (2011-06-23)
In vertebrates, serum transferrins are essential iron transporters that have bind and release Fe(III) in response to receptor binding and changes in pH. Some family members such as lactoferrin and melanotransferrin can also bind iron while others have lost this
Afficher tous les articles scientifiques apparentés

Articles

HPLC Analysis of Protein Standards (1) on BIOshell™ A400 Protein C4

For use as a marker in SDS-PAGE; Albumin from chicken egg white, For use as a marker in SDS-PAGE; L-Lactic Dehydrogenase from rabbit muscle, Type XI, lyophilized powder, 600-1,200 units/mg protein

Chromatograms

application for HPLC

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