Streptavidin-Biotin Binding Products

Streptavidin is a protein that binds tightly to biotin, and it is used extensively in molecular biology and bionanotechnology.

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Thermo Scientific™ Pierce™ Streptavidin

Purified recombinant streptavidin enables detection of biotinylated antibodies and other probes in a variety of standard assay methods including western blotting, ELISA, immunohistochemistry, and fluorescence imaging.

Pricing and Availability
Specifications

Content And Storage	Store in original container protected from direct sunlight in a dry, cool and well-ventilated area, between the following temperatures: 2 to 8°C.
Conjugate	Unconjugated
Target Molecule	Biotin
Product Line	Pierce

Invitrogen™ Streptavidin, Alexa Fluor™ 405 conjugate

Streptavidin, Alexa Fluor™ 405 conjugate

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Invitrogen™ Streptavidin, Alexa Fluor™ 488 Conjugate

Alexa Fluor™ 488 streptavidin comprises a biotin-binding protein (streptavidin) covalently attached to a fluorescent label (Alexa Fluor™ dye).

Pricing and Availability
Specifications

Conjugate	Alexa Fluor 488
Product Type	Streptavidin Conjugate (fluorescent)
Label or Dye	Alexa Fluor
Product Line	Alexa Fluor

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Invitrogen™ Streptavidin, horseradish peroxidase conjugate

The streptavidin, horseradish peroxidase (HRP) conjugate can be used to detect biotin in a signal amplification scheme in conjunction with chromogenic substrates or fluorogenic HRP substrates.

Pricing and Availability

Protein Family	Avidin
Content And Storage	Upon receipt store product 4°C. Product is shipped at ambient temperature.
Target Molecule	Biotin
Form	Solid
Label or Dye	Unlabeled

Invitrogen™ Streptavidin, lyophilized powder

A bacterially derived biotin-binding protein that reportedly exhibits less nonspecific binding than avidin.

Pricing and Availability
Specifications

Shipping Condition	Wet Ice
Content And Storage	Streptavidin is provided in lyophilized form in 10 mM phosphate buffered saline, pH 7.4. Reconstitute with 1 ml of distilled or deionized water. Store at 4°C.
Conjugate	Unconjugated
Product Type	Streptavidin Conjugate (fluorescent)
Form	Lyophilized