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View additional product information for EZ-Link™ Sulfo NHS-LC-LC-Biotin, No-Weigh™ Format - FAQs (A35358, 21338)
4 product FAQs found
EZ-Link Sulfo-NHS-LC-LC-Biotin is covered under our general 1-year warranty and is guaranteed to be fully functional for 12 months from the date of shipment, if stored as recommended. Please see section 8.1 of our Terms & Conditions of Sale (https://www.thermofisher.com/content/dam/LifeTech/Documents/PDFs/Terms-and-Conditions-of-Sale.pdf) for more details.
Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.
EZ-Link Sulfo-NHS-LC-Biotin has a spacer arm length of 22.4 Angstroms while EZ-Link Sulfo-NHS-LC-LC-Biotin has a spacer arm length of 30.5 Angstroms.
Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.
Sometimes. The biotin has to insert 9 angstrom into the pocket of avidin, streptavidin or NeutrAvidin to bind. If steric hindrance may be a problem, using a biotinylation reagent with a longer spacer arm (Sulfo-NHS-LC Biotin or Sulfo-NHS-LC-LC Biotin) may result in greater purification or deteciton.
Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.
The sodium sulfonate group lends water solubility to the reagent.
Note: The actual biotin moiety that is added is identical between NHS and Sulfo-NHS biotins that vary only in the addition of the sodium sulfonate on the leaving group. Researchers preferring a more water soluble biotin be added to their molecule should consider a PEGylated version of biotin.
Find additional tips, troubleshooting help, and resources within our Protein Purification and Isolation Support Center.