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S4762 Sigma

Streptavidin from Streptomyces avidinii

essentially salt-free, lyophilized powder, ≥13 units/mg protein



Related Categories Antibodies, Biotin/Avidin, Molecular Biology, Plant Biotechnology, Plant Proteomics,
form   essentially salt-free, lyophilized powder
mol wt   mol wt ~60 kDa
capacity   4 mol/mol (Biotin)
Featured Industry   Research Pathology
storage temp.   −20°C


Frequently Asked Questions

Frequently Asked Questions are available for this Product.


5, 10 mg in glass bottle

Package size based on protein content.

Preparation Note

Affinity purified.

General description

Streptavidin is a crystalline protein isolated from the bacterium Streptomyces avidinii and possesses biotin-binding ability. It has four binding sites for biotin like avidin and binds four molecules of biotin. Streptavidin is now considered as a new type of biotin-binding protein.

Price and Availability

Detect Your Unseen Protein
Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy

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Monoclonal and polyclonal primary antibodies are focused on cell biology, neurobiology and molecular biology. Secondary antibodies targeting multiple host’s IgG are conjugated to alkaline phosphatase...
Keywords: Amplification, Buffers, Cell biology, Enzyme-linked immunosorbent assay, Immunofluorescence, Immunohistochemistry, Immunoprecipitation, Molecular biology, Phosphorylations, Purification, Western blot

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92210 Timestrip Plus 0 °C
06693 Timestrip Plus -20 °C

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