Key features and details
- Assay time: 2 hr
Product nameOligonucleotide Conjugation Kit
Assay time2h 00m
The Oligonucleotide Conjugation Kit (ab218260) enables the easy and efficient generation of antibody-oligonucleotide conjugates in less than 2 hours. The kit can be used to generate conjugates of different ratios of antibody: oligonucleotide. It also includes positive controls that allow the user to confirm that the conjugation chemistry has worked correctly.
This kit can be used to conjugate antibodies to single-stranded oligonucleotides that are 10-120 bases long or to double-stranded oligonucleotides that are up to 80 bases long. The oligonucleotide should be synthesized to include a terminal amine group.
The 1 x 100 µg kit includes reagents for 1 conjugation of 100 μg of antibody and 1 control.
The 3 x 100 µg kit includes reagents for 3 conjugations of 100 μg of antibody and 1 control.
As expected for any chemical conjugation, the concentration and buffer formulation of the oligonucleotide and the antibody need to fall within certain parameters, as detailed in the protocol booklet.
Quick and easy to use – Save time, no specialist knowledge required
High levels of antibody and oligo recovery – Conjugation efficiency is about 95-100%.
Use your own oligo and antibody, at your desired ratio – Flexible
Freeze dried – Ships at ambient temperature, long shelf life
Stringently QC tested – Consistent high quality, excellent batch to batch reproducibility
Unidirectional chemistry – No risk of crosslinking
Covalent bond – Highly stable conjugates
Suitable for single stranded oligos of 10–120 bases, and double stranded oligos up to 80 base pairs – Covers the majority of sequences
Linking chemistry works at both 5’ and 3’ end – Provides ability to combine with other modifications
Post-conjugation clean-up step – No interference from unbound oligo’s
Positive control antibody and oligo included – Enables confirmation of protocol success
A wide range of target proteins – Also applicable to antibody fragments and small proteins.
This product is manufactured by Expedeon, an Abcam company, and was previously called Thunder-Link® Plus Oligo Conjugation Kit. 425-0300 is the same as the 3 x 100 µg size. 425-0000 is the same as the 1 x 100 µg size.
Storage instructionsPlease refer to protocols.
Components 1 x 100 µg 3 x 100 µg ab274097 - Antibody Activation Reagent 2 vials 4 vials ab274099 - Antibody Control 1 vial 1 vial ab274101 - Antibody Suspension Buffer 1 x 500µl 2 x 500µl ab274100 - Conjugate Clean Up Reagent 1 x 2ml 3 x 2ml ab273937 - NAP-5 Column 4 units 8 units ab274096 - Oligonucleotide Activation Reagent 2 vials 4 vials ab274098 - Oligonucleotide Control 1 vial 1 vial ab274102 - Wash Buffer 1 x 80ml 1 x 160ml
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A 4-12% reducing gel confirming conjugation between a rabbit IgG and a 30mer oligo done with the Oligonucleotide Conjugation Kit (ab218260). Four different antibody : oligo ratios were tested. 5 μg of conjugate was used for each well.
Immuno-qPCR data prepared with the Oligonucleotide Conjugation Kit (ab218260). The graph shows the number of PCR cycles undertaken vs. fluorescence intensity generated by SYBR Green containing PCR probes at particular antigen concentrations. A mouse monoclonal antibody specific for human CRP (clone C7) was purchased in unconjugated format from HyTest. The antibody was conjugated to an oligonucleotide using the Oligonucleotide Conjugation Kit, and was used as a detection antibody in a sandwich immuno-PCR assay with a polyclonal anti-CRP antibody as the capture reagent.
Data from the same experiment was converted to antigen amount vs. cycle number to enable the calculation of a standard curve. The results show that the assay utilizes 1000-fold less capture antibody and 100-fold less detection antibody, and provides 1000-fold greater sensitivity than the equivalent ELISA.
ab218260 has been referenced in 3 publications.
- Weigel C et al. DNA methylation at an enhancer of the three prime repair exonuclease 2 gene (TREX2) is linked to gene expression and survival in laryngeal cancer. Clin Epigenetics 11:67 (2019). PubMed: 31053176
- Jayasinghe I et al. True Molecular Scale Visualization of Variable Clustering Properties of Ryanodine Receptors. Cell Rep 22:557-567 (2018). PubMed: 29320748
- Li T et al. Additional sex combs interacts with enhancer of zeste and trithorax and modulates levels of trimethylation on histone H3K4 and H3K27 during transcription of hsp70. Epigenetics Chromatin 10:43 (2017). PubMed: 28927461