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Supplier: AAT BIOQUEST INC
Description: Covidyte™ IF670 is a peptide substrate containing 12 amino acid sequence (VNSTLQSGLRKM) that can be cleaved by coronavirus proteases. The dark-FRET peptide contains Tide Quencher™ 5 (TQ5) as a quencher and iFluor® 670 as a fluorescent donor on the N-and C-terminals respectively where the fluorescence of iFluor® 670 is effectively quenched by TQ5 when the peptide is intact. When the peptide is hydrolyzed by coronavirus proteases, the iFluor® 670 fragment generates significantly enhanced fluorescence since its fluorescence is no longer quenched by TQ5. The activity of coronavirus proteases can be effectively monitored by the fluorescence intensity of iFluor® 670. Covidyte™ IF670 is a robust high throughput screening tool for searching inhibitors of coronavirus proteases. Comparing to the commonly used EDANS substrates (such as Covidyte™ ED450), the iFluor® 670 substrate has much stronger and longer fluorescence that is less interfered by colored compounds that often cause false positive hits.

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Catalog Number: (76485-308)
Supplier: AAT BIOQUEST INC
Description: Xite™ Red beta-D-galactopyranoside provides a simple and sensitive tool to detect beta-galactosidase (β-gal) activity.

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Catalog Number: (76481-356)
Supplier: AAT BIOQUEST INC
Description: TQ5WS is designed to be a superior quencher to Cy5, TF5 and Cy5.5.

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Catalog Number: (76484-148)
Supplier: AAT BIOQUEST INC
Description: PE-Cy5 is a popular color used in flow cytometry.

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Catalog Number: (76482-094)
Supplier: AAT BIOQUEST INC
Description: Z-IETD-AFC is a fluorogenic caspase-8/granzyme B substrate containing the acetyl (Ac) moiety.

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Supplier: AAT BIOQUEST INC
Description: Anti-human secondary antibodies have well-characterized specificity for human immunoglobulins and are useful in the detection, sorting or purification of its specified target.

Catalog Number: (77462-932)
Supplier: AAT BIOQUEST INC
Description: ReadiLink™ Rapid antibody labelling kits, designed for production scale, provide a convenient and efficient method for labelling large volumes of antibodies with XFD dyes (equivalent to Alexa Fluor®).


Supplier: AAT BIOQUEST INC
Description: AAT Bioquest's iFluor® dyes are optimized for labeling proteins, in particular, antibodies.

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Catalog Number: (76484-632)
Supplier: AAT BIOQUEST INC
Description: XFD488 amine is the same molecule to Alexa Fluor® 488 C5 amine.

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Supplier: AAT BIOQUEST INC
Description: RPA-T4 is an anti-human monoclonal antibody that targets the CD4 antigen.

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Supplier: AAT BIOQUEST INC
Description: PE-Cy5.5 is a popular color used in flow cytometry.

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Catalog Number: (77463-028)
Supplier: AAT BIOQUEST INC
Description: ReadiCleave™ iFluor® 594 AML uses an azidomethyl linker that can be cleaved with TCEP to remove the iFluor® 594 fluorophore from the target molecule.


Catalog Number: (77461-822)
Supplier: AAT BIOQUEST INC
Description: Protonex™ Red 780 NHS ester is an excellent building block for developing a target-specific conjugate that can be used for monitoring a pH-sensitive biological event.


Supplier: AAT BIOQUEST INC
Description: SK1 is an anti-human monoclonal antibody that is specific for the CD8a antigen.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Catalog Number: (76482-056)
Supplier: AAT BIOQUEST INC
Description: Ac-DEVD-AFC is a fluorogenic substrate for caspase 3, a protease that is rapidly activated when cells are exposed to apoptotic conditions and that cleaves poly(ADP-ribose) polymerase.

Small Business Enterprise Minority or Woman-Owned Business Enterprise


Catalog Number: (76481-408)
Supplier: AAT BIOQUEST INC
Description: TQ2 is designed to be a superior quencher to FAM, HEX, TET, JOE, TF2 and rhodamine 6G.

Small Business Enterprise Minority or Woman-Owned Business Enterprise


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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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