Phosphoramidite for the incorporation of an internal amino function into an oligonucleotide.

Phosphoramidite used to incorporate a bromo-modified deoxyadenosine internally or at the 5' end of an oligonucleotide.

Allows for incorporation of a halogenated nucleoside into oligonucleotides for crystallographic studies and crosslinking studies of protein-DNA and RNA-DNA complexes.