Streptavidin (without modification)

Avidin is a tetrameric protein commonly isolated from egg whites. Avidin binds to biotin with strength approaching that of a covalent bond. Disruption of the avidin-biotin bond occurs only under extraordinary conditions, such as pH 1.5 with 6 M guanidium hydrocholoride. Fluorescent avidin can bind to biotinylated antibodies used in immunohistochemistry and immunocytochemistry. Avidin thiol can bind to gold surfaces and act as a glue for biotinylated proteins. Avidin agarose is useful for efficient removal of biotinylated proteins from a liquid phase.

Avidin TRITC

TMR (tetramethylrhodamine)
product code: AVR

Additional DescriptionMore Details

max excitation: 545 nm
max emission: 575 nm


from $90.00Price:
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Avidin-fluorescein

product code: AVF

Additional DescriptionMore Details

max excitation: 490 nm
max emission: 510 nm


from $25.00Price:
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Avidin CY5.5

LI-COR compatible
(700 nm) channel
product code: AVY

Additional DescriptionMore Details

max absorption: 675 nm
max emission: 702 nm


from $80.00Price:
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Avidin thiol

(sulfhydryl)
product code: AVT

from $80.00Price:
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Avidin Sepharose

agarose beads
product code: AVG

from $60.00Price:
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Avidin (without modification)

from egg white. 10-14 units/mg of solid.

product code: AVN

Additional DescriptionMore Details

1 unit equals the protein required to bind 1 microgram of d-biotin at pH8.9


from $23.00Price:
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Avidin CY5

product code: AV5Y

Additional DescriptionMore Details

max absorption: 650 nm
max emission: 670 nm


from $80.00Price:
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Avidin CY3

product code: AV3Y

Additional DescriptionMore Details

max absorption: 550 nm
max emission: 570 nm


from $80.00Price:
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Streptavidin thiol

(sulfhydryl)
product code: SAVT

from $181.00Price:
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Streptavidin-fluorescein (FITC)

product code: SAVF

Additional DescriptionMore Details

max excitation: 490 nm
max emission: 510 nm


from $181.00Price:
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Streptavidin TRITC

TMR (tetramethylrhodamine)
product code: SAVR

Additional DescriptionMore Details

max excitation: 545 nm
max emission: 575 nm


from $75.00Price:
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Streptavidin CY3

product code: SAV3Y

Additional DescriptionMore Details

max absorption: 550 nm
max emission: 570 nm


from $75.00Price:
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Streptavidin CY5

product code: SAV5Y

Additional DescriptionMore Details

max absorption: 650 nm
max emission: 670 nm


from $75.00Price:
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Streptavidin CY5.5

LI-COR compatible
(700 nm) channel
product code: SAVY

Additional DescriptionMore Details

max absorption: 675 nm
max emission: 702 nm


from $75.00Price:
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Streptavidin (without modification)

Recombinant. Minimum 12 units/mg of solid.

product code: SAV

Additional DescriptionMore Details

1 unit equals the protein required to bind 1 microgram of d-biotin at pH8.9


from $48.00Price:
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