Adjective
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biotinylated (not comparable)
(biochemistry) Modified by reaction with a biotin group
Any other proteins binding to the biotinylated molecule will also stay with the bead and all other unbound proteins can be washed away. Source: Internet
Because both streptavidin and avidin bind biotin with high affinity (K d of 10 −14 mol/l to 10 −15 mol/l) and specificity, biotinylated proteins of interest can be isolated from a sample by exploiting this highly stable interaction. Source: Internet
The sample is incubated with streptavidin/avidin beads, allowing capture of the biotinylated protein of interest. Source: Internet
To circumvent this problem, beads conjugated to monomeric avidin can be used, which has a decreased biotin-binding affinity of ~10 −8 mol/l, allowing the biotinylated protein of interest to be eluted with excess free biotin. Source: Internet