3'-end 2'-deoxyribonucleotidyl-deoxyribonucleotide(2-) residue
3'-end 2'-deoxyribonucleotidyl-deoxyribonucleotide(2-) residue
An organic anionic group obtained by deprotonation of the phosphate OH group of any 3'-end 2'-deoxyribonucleotidyl-deoxyribonucleotide residue.