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L7880

β-Lactoglobulin A from bovine milk

≥90% (PAGE)

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Talla/SKUDisponibilidadPrecio
10 mg
Comprobar disponibilidad del carrito
$78.100
25 mg
Comprobar disponibilidad del carrito
$171.000
100 mg
Comprobar disponibilidad del carrito
$404.000
250 mg
Comprobar disponibilidad del carrito
$854.000

Acerca de este artículo

Número CAS:
50863-92-8
UNSPSC Code:
12352202
NACRES:
NA.61
MDL number:
MFCD00130636
Form:
powder
Assay:
≥90% (PAGE)
Biological source:
bovine milk
Mol wt:
18,363 Da by calculation

$78.100

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biological source

bovine milk

Quality Segment

assay

≥90% (PAGE)

form

powder

mol wt

18,363 Da by calculation

technique(s)

HPLC: suitable

UniProt accession no.

storage temp.

2-8°C

Gene Information

bovine ... LGB(280838)

General description

A member of the lipocalin family, βLg is a small protein of 162 amino acids with a molecular mass of ∼18,400 Da, featuring an eight-stranded β-barrel (strands A-H) succeeded by a three-turn a-helix and a final β-strand (strand I) that forms part of the dimerization interface.
Milk from dairy cows contains the protein β-lactoglobulin (BLG). It naturally occurs in a number of genetic variants, and the most prevalent bovine variants are known as BLG A and BLG B.

Application

β-Lactoglobulin A from bovine milk has been used:
  • as a calibrant for the calibration of the TriWave device
  • as a standard in the detection and quantification of β-lactoglobulin in bovine milk by reverse-phase high performance liquid chromatography (HPLC)
  • in the purification and molecular weight measurement of protease samples

β-Lactoglobulin was used in the identification of the genetic variants of κ-casein in milk by isoelectric focusing electrophoresis.

Biochem/physiol Actions

β-Lactoglobulin (β-lg) possesses heat-set gelation properties. It also exhibits antiviral, anticarcinogenic and hypocholesterolemic effects. β-lg can bind to retinol and long-chain fatty acids. It may participate in the absorption and metabolism of fatty acids.

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Este artículo
L5137L0130L3908
β-Lactoglobulin A from bovine milk ≥90% (PAGE)

Sigma-Aldrich

L7880

β-Lactoglobulin A from bovine milk

β-Lactoglobulin A from bovine milk Isoelectric focusing marker, pI 5.1

Sigma-Aldrich

L5137

β-Lactoglobulin A from bovine milk

ββ-Lactoglobulina from bovine milk ≥90% (PAGE), lyophilized powder

Sigma-Aldrich

L0130

ββ-Lactoglobulina from bovine milk

ββ-Lactoglobulina from bovine milk ≥90% (PAGE), lyophilized powder

Sigma-Aldrich

L3908

ββ-Lactoglobulina from bovine milk

description

≥90% (PAGE)

description

Isoelectric focusing marker, pI 5.1

description

≥90% (PAGE), lyophilized powder

description

≥90% (PAGE), lyophilized powder

assay

≥90% (PAGE)

assay

-

assay

≥90% (PAGE)

assay

≥90% (PAGE)

technique(s)

HPLC: suitable

technique(s)

isoelectric focusing (IEF): suitable

technique(s)

-

technique(s)

ELISA: suitable

biological source

bovine milk

biological source

bovine milk

biological source

bovine milk

biological source

bovine milk

form

powder

form

powder

form

lyophilized powder

form

lyophilized powder

mol wt

18,363 Da by calculation

mol wt

-

mol wt

-

mol wt

-

Gene Information

bovine ... LGB(280838)

Gene Information

bovine ... LGB(280838)

Gene Information

bovine ... LGB(280838)

Gene Information

bovine ... LGB(280838)

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Clase de almacenamiento

11 - Combustible Solids

¿Qué está pasando?

WGK 3

Punto de inflamación (°F)

Not applicable

Punto de inflamación (°C)

Not applicable

EPI (equipos de protección individual)

Eyeshields, Gloves, type N95 (US)

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Questions

1–2 of 2 Questions  

  1. Do you have the amino acid sequence of Product L7880, β-Lactoglobulin A from bovine milk?

    1 answer

    1. Uniprot P02754 describes beta Lactoglobulin.The first 16 amino acids of that sequence are the signal peptide, so the sequence of beta-Lactoglobulin B corresponds to amino acids 17-178.But Product L7880 is beta-Lactoglobulin A. As shown in the details under the first link, this form of the protein varies by two amino acids from beta-Lactoglobulin B:1. Instead of the glycine (G) at position 80 of the B form, the A form has an aspartic acid (D).2. Instead of the alaline (A) at position 134 of the B form, the A form has a valine (V).So to answer your question, the sequence of Product L7880 is:LIVTQTMKGLDIQKVAGTWYSLAMAASDISLLDAQSAPLRVYVEELKPTPEGDLEILLQKWENDECAQKKIIAEKTKIPAVFKIDALNENKVLVLDTDYKKYLLFCMENSAEPEQSLVCQCLVRTPEVDDEALEKFDKALKALPMHIRLSFNPTQLEEQCHI

      Helpful?

  2. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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