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L6010

Sigma-Aldrich

α-Lactalbumin from bovine milk

Type III, calcium depleted, ≥85% (PAGE), lyophilized powder

Synonim(y):

Bos d 4, Lactose synthase B protein, alpha-lactalbumin

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About This Item

Numer CAS:
9051-29-0
Numer MDL:
MFCD00162025
Kod UNSPSC:
12352202
NACRES:
NA.61

pochodzenie biologiczne

bovine milk

typ

Type III

Próba

≥85% (PAGE)

Postać

lyophilized powder

jakość

calcium depleted

masa cząsteczkowa

14,178 Da by calculation

metody

indirect ELISA: suitable

rozpuszczalność

H2O: soluble 10 mg/mL, clear to slightly hazy, colorless to faintly yellow

ślady kationów

Ca: ≤0.3 mol/mol

numer dostępu UniProt

P00711

temp. przechowywania

−20°C

informacje o genach

cow ... LALBA(281894)

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Opis ogólny

may contain traces of (NH4)2SO4 and sodium phosphateL6010

Zastosowanie

α-Lactalbumin from bovine milk has been used:
  • in indirect enzyme-linked immunosorbent assay (ELISA) and competitive ELISA methods
  • in binding of Hsp90 and HSJ1b analysis
  • to inhibit the lysozyme CAP-RAST assay

Działania biochem./fizjol.

α-Lactalbumin is the cheif protein in human milk. It consists of a single polypeptide chain with 8 cysteines which form disulfide bridges. α-Lactalbumin binds several metal ions, including calcium, which is thought to play a role in the regeneration of native α-lactalbumin from the reduced, denatured form. α-Lactalbumin also has a distinct zinc binding site that is thought to play a role in the binding of the lactose synthase complex.The mature protein consists of 123 amino acid residues (14 kD), and it has a three-dimensional structure with 1.7 Angstrom resolution, demonstrating four α-helices and a triple stranded antiparallel β-sheet.
Alters the substrate specificity of galactosyltransferase to increase the rate of lactose formation; the complex of galactosyltransferase and α-lactalbumin is called lactose synthase. Site-directed mutagenesis of Asp87 or Asp88 to Ala completely abolishes the strong calcium binding affinity and reduces the stimulation of lactose synthase to <3.5% of the maximal rate.

Jakość

May contain traces of (NH4)2SO4 and sodium phosphate.
This page may contain text that has been machine translated.

Kod klasy składowania

11 - Combustible Solids

Klasa zagrożenia wodnego (WGK)

WGK 3

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

Eyeshields, Gloves, type N95 (US)

Certyfikaty analizy (CoA)

Poszukaj Certyfikaty analizy (CoA), wpisując numer partii/serii produktów. Numery serii i partii można znaleźć na etykiecie produktu po słowach „seria” lub „partia”.

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Dokumenty związane z niedawno zakupionymi produktami zostały zamieszczone w Bibliotece dokumentów.

Odwiedź Bibliotekę dokumentów

T Schnaider et al.
Life sciences, 67(12), 1455-1465 (2000-09-13)
The 90 kDa heat shock protein (Hsp90) is a major cytoplasmic molecular chaperone associating with numerous other proteins. Both genetic and in vitro refolding experiments using reticulocyte lysate have suggested a functional interaction of Hsp90 with yeast human homologues of
Prevalence of lysozyme sensitization in an egg-allergic population
Fremont S, et al.
Allergy, 52(2), 224-228 (1997)
Effect of conjugation of cow milk whey protein with polyethylene glycol on changes in their immunoreactive and allergic properties
Wroblewska B and Jedrychowski L
Food and agricultural immunology, 14(2), 155-162 (2002)
Melanie Jannaway et al.
Frontiers in physiology, 12, 687563-687563 (2021-10-09)
Lymphatic vascular permeability prevents lymph leakage that is associated with lymphedema, lymphatic malformations, obesity, and inflammation. However, the molecular control of lymphatic permeability remains poorly understood. Recent studies have suggested that adherens junctions and vesicle transport may be involved in
B Fang et al.
Journal of dairy science, 99(8), 5991-6004 (2016-05-30)
An α-lactalbumin-oleic acid (α-LA-OA) complex has exhibited selective antitumor activity in animal models and clinical trials. Although apoptosis and autophagy are activated and the functions of several organelles are disrupted in response to α-LA-OA, the detailed antitumor mechanism remains unclear.
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