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O3514

Sigma-Aldrich

Osteopontin from bovine milk

lyophilized powder

Sinônimo(s):

Bone Sialoprotein-1, Early T Lymphocyte Activation Protein-1 (ETA-1), OPN, Secreted Phosphoprotein 1 (Spp1)

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About This Item

Número MDL:
MFCD03100698
Código UNSPSC:
12352202
NACRES:
NA.32

fonte biológica

bovine milk

Nível de qualidade

100

esterilidade

sterile

forma

lyophilized powder

peso molecular

~60 kDa

embalagem

pkg of 50 μg

técnica(s)

cell culture | mammalian: suitable

nº de adesão UniProt

P31098
P31096

Condições de expedição

ambient

temperatura de armazenamento

−20°C

Informações sobre genes

cow ... SPP1(281499)

Categorias relacionadas

Descrição geral

Osteopontin (OPN) is a multifunctional protein. It is released by macrophages, T cells and epithelial cells. It has 261 amino acid residues with a molecular mass of 29,283 Da. Osteopontin is also called as uropontin. Osteopontin from bovine milk is highly glycosylated and phosphorylated. SPP1 gene (secreted phosphoprotein 1) codes for osteopontin. This gene is located on human chromosome 4 and cow chromosome 6. It has seven exons and six introns.

Ações bioquímicas/fisiológicas

A secreted, highly acidic, calcium binding, phosphorylated glycoprotein that is chemotactic for macrophages, smooth muscle cells, endothelial cells, and glial cells. In activated macrophages, OPN inhibits nitric oxide production and cytotoxicity. Human, mouse, rat, pig, and bovine OPN share 40% amino acid sequence identity.
Osteopontin stimulates cell mediated responses, chemotaxis of inflammatory cells and anti-inflammatory responses. It binds to av-containing integrins and stimulate cell adhesion and migration. Osteopontin promotes Th1 type immunity.

forma física

Lyophilized from a 0.2 μm filtered solution in phosphate buffered saline containing 2.5 mg bovine serum albumin.

Nota de análise

The biological activity is measured by its ability to mediate 293 cell adhesion.

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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Visite a Biblioteca de Documentos

Milk and Milk Products in Human Nutrition (2011)
Milk Proteins: From Expression to Food (2014)
Molecular analysis of the Bacillus subtilis bacteriophage SPP1 region encompassing genes 1 to 6: The products of gene 1 and gene 2 are required for pac cleavage.
Chai S, et al.
Journal of Molecular Biology, 224(1), 87-102 (1992)
Guidebook to the Extracellular Matrix, Anchor, and Adhesion Proteins (1999)
D D Hu et al.
The Journal of biological chemistry, 270(44), 26232-26238 (1995-11-03)
Osteopontin (OPN) is an extracellular matrix protein that binds to integrin alpha v beta 3. Here we demonstrate that two other integrins, alpha v beta 1 and alpha v beta 5, are also receptors for OPN. Human embryonic kidney 293
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