d(CG)12
d(cg)12
A 24-residue single-stranded DNA oligonucleotide consisting of an alternating sequence of deoxycytidine and deoxyguanosine residues, all connected by 3'→5' phosphodiester linkages. It forms one strand of the double-stranded DNA oligonucleotide [d(C-G)·d(C-G)]<small><sub>12</sub></small> [synonym d(CG/GC)<small><sub>12</sub></small>].