What is the optimal bead type for binding proteins?
NHS beads are best. It is immobilized by the ε-NH2 groups in the lysine residues of the protein and the NHS groups on the bead surface. In the case of His-tag protein, immobilization on Ts beads is possible.See below for details.
https://fgb.tamagawa-seiki.com/english/selection/immunoprecipitation
