Building Blocks

NEB offers building blocks that can be used for linkage of the core benzylguanine (BG) and benzylcytosine (BC) moieties to activated esters, primary amines and thiol groups.

Product NEB # Structure Application Size
BG-NH2 S9148   SNAP-tag substrate. Suitable for linkage to NHS esters and other activated carboxylic esters. 2 mg
BG-PEG-NH2 S9150   SNAP-tag substrate. PEG-linker gives superior flexibility. Particularly suited for immobilization on solid surfaces. 2 mg
BG-GLA-NHS S9151   SNAP-tag substrate. Activated as NHS ester. Reacts with primary amines. 2 mg
BG-Maleimide S9153   SNAP-tag substrate. Activated as maleimide. Reacts with thiols. 2 mg
BC-NH2 S9236 CLIP-tag substrate. Suitable for linkage to NHS esters and other activated carboxylic esters. 2 mg