Streptavidin Conjugation Kit - Lightning-Link®
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(48 Publications)
-Rapid Conjugation: achieve streptavidin labeling in under 4 hours with just 30 seconds of hands-on time.
-High Efficiency: ensures 100% antibody recovery, meaning no loss of valuable antibodies.
-Versatility: suitable for conjugating antibodies, proteins, and peptides. Streptavidin -labeled antibodies can be used immediately in applications such as Western blot, ELISA, and Immunohistochemistry (IHC) without further purification.
- Proven performance: cited in over 45 publications.
- Conjugation
PubMed
Conjugation - Streptavidin Conjugation Kit - Lightning-Link® (AB102921)
Pereira, Pedro M., et al used Streptavidin Conjugation Kit - Lightning-Link® (ab102921) as part of examining super-resolution fluorescent probes for Single-molecule localization microscopy. They used the kit to conjugate Streptavidin to anti-mouse secondary antibody for use in fixed-cell imaging.
D, Pre-acquisition snapshot (WF) and SMLM reconstruction (STORM) of β-tubulin immunolabelling with B3S9L SB (B3S9L-ATTO555-BHQ2) and control probe (B3S9L-ATTO555). Scale bars are 5 μm. E, Schematic representation of the strategy used to perform β-tubulin immunolabelling (left), measurement of Full With Half Maximum (FWHM) and distances between structures on the highlighted regions in D
Image from Pereira et al., Traffic, 21(5):375-385; doi: 10.1111/tra.12728. Reproduced under the Creative Commons license https://creativecommons.org/licenses/by/4.0/
- Schematic Diagram
Supplier Data
Schematic Diagram - Streptavidin Conjugation Kit - Lightning-Link® (AB102921)
This illustration demonstrates a general procedure of how Lightning-Link® labeling technology enables the direct labeling of antibodies or proteins.
Simply pipette your antibody or biomolecule of choice into the vial of a lyophilized mixture containing the label of interest and incubate for around 3 hours. Please see the ab102921 protocol booklet for more details.
Learn more about our Lightning-Link® conjugation kits here
- Conjugation
PubMed
Conjugation - Streptavidin Conjugation Kit - Lightning-Link® (AB102921)
Wang, Xinzhi et al used Streptavidin Conjugation Kit - Lightning-Link® (ab102921) as part of examining. They used the kit to conjugate Streptavidin to recombinant proteins for use in bio-layer interferometry.
Comparison of the binding activity between PepE and TrxR1 protein (red line), PepE and TrxR1 nSec498 protein (blue line), and PepA and TrxR1 protein (black line) through BLI analysis.
Image from Wang et al., Redox Biol. 24:101153; doi: 10.1016/j.redox.2019.101153. Reproduced under the Creative Commons license https://creativecommons.org/licenses/by/4.0/
- Conjugation
PubMed
Conjugation - Streptavidin Conjugation Kit - Lightning-Link® (AB102921)
Hoffmann, Ricarda M., et al used Streptavidin Conjugation Kit - Lightning-Link® (ab102921) as part of examining development of anticancer Antibody-Drug Conjugates. They used the kit to conjugate Streptavidin to Trastuzumab and trastuzumab emtansine antibodies for use in streptavidin-biotin based assay.
Investigation of cell viability upon treatment with the naked antibody (black), antibody-Streptavidin-Biotin-Saporin conjugate (orange) or Saporin alone (grey). The ribosome inhibitor Saporin, unable to enter the cell alone, can be used to investigate antibody internalization by measuring viability (MTS) of antibody-SB-Saporin conjugate-treated cells.
Image from Hoffmann et al., Sci Rep., 10(1):8869; doi: 10.1038/s41598-020-65860-x.Reproduced under the Creative Commons license https://creativecommons.org/licenses/by/4.0/
Product details
Streptavidin Conjugation Kit / Streptavidin Labeling Kit ab102921 uses a simple and quick process for streptavidin labeling / conjugation of antibodies. It can also be used to conjugate other proteins or peptides. To conjugate an antibody to Streptavidin using this kit:
- add modifier to antibody and incubate for 3 hrs
- add quencher and incubate for 30 mins
The conjugated antibody can be used immediately in WB, ELISA, IHC etc. No further purification is required and 100% of the antibody is recovered for use. Learn about buffer compatibility below. Custom size conjugation kits up to 100 mg are available on demand. Please contact us to discuss your requirements.
This product is manufactured by Expedeon, an Abcam company, and was previously called Lightning-Link® Streptavidin Labeling Kit. 708-0005 is the same as the 100 μg size. 708-0010 is the same as the 3 x 100 ug size. 708-0030 is the same as the 3 x 10 ug size. 708-0015 is the same as the 1 mg size.
Amount and volume of antibody for conjugation to Streptavidin
| Kit size | Recommended maximum amount of antibody |
Maximum antibody volume1 |
| 3 x 10 μg | 3 x 10 μg | 3 x 10 μL |
| 100 μg | 100 μg | 100 μL |
| 3 x 100 μg | 3 x 100 μg | 3 x 100 μL |
| 1 x 1 mg | 1 x 1 mg | 1 x 1 mL |
1 Ideal antibody concentration is 1mg/ml. 0.5 - 1 mg/ml can be used if the maximum antibody volume is not exceeded. Antibodies > 5mg/ml or < 0.5 mg/ml should be diluted /concentrated.
Buffer Requirements for Conjugation
Buffer should be pH 6.5-8.5.
Compatible buffer constituents
If a concentration is shown, then the constituent should be no more than the concentration shown. If several constituents are close to the limit of acceptable concentration, then this can inhibit conjugation.
| 50mM / 0.6% Tris1 | 0.1% BSA | 50% glycerol |
| 0.1% sodium azide | PBS | Potassium phosphate |
| Sodium chloride | HEPES | Sucrose |
| Sodium citrate | EDTA | Trehalose |
1 Tris buffered saline is almost always ≤ 50 mM / 0.6%
Incompatible buffer constituents
| Thiomerosal | Proclin | Glycine |
| Arginine | Glutathione | DTT |
If a constituent of the buffer containing your antibody or protein is not listed above, please contact us.
Only purified antibodies are suitable for use, ie. where other proteins, peptides, or amino acids are not present: antibodies in ascites fluid, serum or hybridoma culture are not suitable for conjugation.
Storing and handling conjugation kits
Lyophilized Lightning-Link® components are hygroscopic.
Kits are intentionally shipped at ambient temperature with silica gel to avoid exposure to moisture. Upon receipt, store the kit frozen and protect from moisture. Before opening the outer container, allow the lyophilized components to reach room temperature to minimize condensation.
What's included?
Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Product protocols
- Visit the General protocols
- Visit the Troubleshooting
- Download websiteProtocolBooklet|en
- Download websiteProtocolBooklet|zh
Target data
Publications (48)
Recent publications for all applications. Explore the full list and refine your search
Methods in molecular biology (Clifton, N.J.) 2921:119-137 PubMed40515987
2025
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Nature communications 16:4846 PubMed40413164
2025
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Advanced healthcare materials 13:e2303430 PubMed37942845
2023
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Small methods 8:e2300719 PubMed37926786
2023
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Cell reports methods 3:100522 PubMed37533642
2023
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Advanced materials (Deerfield Beach, Fla.) 35:e2300934 PubMed37114740
2023
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BMC microbiology 23:105 PubMed37062822
2023
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Advanced science (Weinheim, Baden-Wurttemberg, Germany) 10:e2206912 PubMed36683161
2023
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Nature immunology 24:295-308 PubMed36604548
2023
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Nature methods 19:1383-1392 PubMed36192462
2022
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
For licensing inquiries, please contact partnerships@abcam.com