StreptaClick® Color
Price range: 339 € through 785 €
StreptaClick® Color is a modified streptavidin that labels biotinylated antibodies with fluorochromes in solution, mimicking directly conjugated antibodies as we have removed the issue of antibody aggregation through monovalent binding. StreptaClick® Color provides a rapid, robust, and flexible method for attaching fluorochromes to biotinylated antibodies. Once labeled with StreptaClick®, the antibody is stable and can be used in the same manner as antibodies that are directly conjugated with fluorochromes. The labeling reaction is highly efficient and can be carried out at any volume, concentration, or buffer.
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Request a quote or order with payment by invoice by sending us an email via the button above. When ordering, please include information on the products you wish to order, organization, VAT number (only EU countries), delivery address, and invoice address. Please also state contact person and phone number for delivery by courier.
We ship globally – a shipping cost of €50 is added to countries within the EU and €80 to all other countries. Upon request we can also charge in $USD for payments by invoice.
Webshop
Orders can also be placed through our webshop via the form below. Once a product has been added a popup will appear with the choice of proceeding to checkout or adding additional products. The shopping cart icon at the top right corner also takes you to checkout.
At checkout you will have the choice of secure payment by credit card via Stripe, Apple Pay, Google Pay or invoice. Shipping charges are added automatically.
NB: VAT is not added to the final cost under Article 138 VAT directive (other EU countries) and 146 VAT directive (export to non-EU countries).
Select your StreptaClick® Color Kit:
StreptaClick®Color Workflow
Attach
Mix each biotinylated antibody with a StreptaClick® Color
Mix
Mix all the different StreptaClick®-antibody conjugates in one tube
Analyze
Add all colors simultanously to the slide for IHC or perform Flow Cytometry
How it works
Biotinylated antibodies pre-mixed with StreptaClick® operate similarly to directly conjugated antibodies, thereby eliminating the need for secondary antibodies. The StreptaClick® labeling reaction is extremely efficient, permitting the labeling of any antibody volume, even down to microliters. This is particularly beneficial when setting up new experiments.
Fast – flexible – multiplex
StreptaClick® Color enables a multiplex immunofluorescence (mIF) protocol—from labeling to imaging—to be completed within one hour. Each fluorochrome is attached to its biotinylated antibody with a one-step, 5-minute StreptaClick® reaction. All StreptaClick® labeled antibodies can then be combined and added to the slide simultaneously. StreptaClick®-antibody conjugates can be combined with DAPI, other directly conjugated primary antibodies or conventional secondary antibodies in the same assay. However, StreptaClick® is not compatible with other streptavidin-based techniques. StreptaClick® Color is also compatible with flow cytometry.
Fluorochrome specifications
| Name | Absorption max | Emission max |
| StreptaClick® Color 488 – Green | 494 nm | 517 nm |
| StreptaClick® Color 647 – Far red | 649 nm | 671 nm |
| StreptaClick Color | StreptaClick® Color 2-plex Kit, StreptaClick® Color 488, StreptaClick® Color 647, StreptaClick® Color Complete 2-plex Kit |
|---|
Ordering information
| Cat no. | Product |
| 5004881-1 | StreptaClick® Color 488 |
| 5006471-1 | StreptaClick® Color 647 |
| 50021-1 | StreptaClick® Color 2-plex Kit |
| 50022-1 | StreptaClick® Color Complete 2-plex Kit |
Please contact us to inquire about larger pack sizes and custom kit configurations.
Each StreptaClick® Color contains 500 μl of StreptaClick® antibody labeling reagent, capable of labeling 50 μg of biotinylated antibody, sufficient for approximately 50 slides. The kit also includes a biotin block buffer. This buffer is used to block any remaining free StreptaClick® when multiplexing.
The StreptaClick® Color 2-plex Kit contains the Labeling Reagents for StreptaClick® Color 488 and StreptaClick® Color 647, along with Biotin Block Buffer. The StreptaClick® 2-Color Kit is suitable for multiplex immunohistochemistry (IHC) and Flow Cytometry.
The StreptaClick® Color Complete kits also include our convenient BiotinPure™ Antibody Biotinylation kit in addition to the StreptaClick® Color reagents.
RESOURCES
FLYER
StreptaClick® Color flyer
USER MANUAL
User Manual StreptaClick® Color
SDS
SDS EN Antibody labeling reagent (StreptaClick® Color)
PUBLICATIONS
2025
2020
2017
**The first publication in which StreptaClick® was used as a tool, making it to the front page of Science Immunology. At the time it was referred to as FlexiStain, the first version of StreptaClick® Color.
Is your publication utilizing a Kromnigon product not listed on our site? Please let us know!
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Request a quote or order with payment by invoice by sending us an email via the button above. When ordering, please include information on the products you wish to order, organization, VAT number (only EU countries), delivery address, and invoice address. Please also state contact person and phone number for delivery by courier. We ship globally - a shipping cost of €50 is added to countries within the EU and €80 to all other countries. Upon request we can also charge in $USD for payments by invoice.Webshop
Orders can also be placed through our webshop via the form below. Once a product has been added a popup will appear with the choice of proceeding to checkout or adding additional products. The shopping cart icon at the top right corner also takes you to checkout. At checkout you will have the choice of secure payment by credit card via Stripe, Apple Pay, Google Pay or invoice. Shipping charges are added automatically. NB: VAT is not added to the final cost under Article 138 VAT directive (other EU countries) and 146 VAT directive (export to non-EU countries). Select your BiotinPure™ Kit:
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Request a quote or order
Request a quote or order with payment by invoice by sending us an email via the button above. When ordering, please include information on the products you wish to order, organization, VAT number (only EU countries), delivery address, and invoice address. Please also state contact person and phone number for delivery by courier. We ship globally – a shipping cost of €50 is added to countries within the EU and €80 to all other countries. Upon request we can also charge in $USD for payments by invoice.Webshop
Orders can also be placed through our webshop via the form below. Once a product has been added a popup will appear with the choice of proceeding to checkout or adding additional products. The shopping cart icon at the top right corner also takes you to checkout. At checkout you will have the choice of secure payment by credit card via Stripe, Apple Pay, Google Pay or invoice. Shipping charges are added automatically. NB: VAT is not added to the final cost under Article 138 VAT directive (other EU countries) and 146 VAT directive (export to non-EU countries). Select your StreptaClick® HRP Kit:
