https://www.ncbi.nlm.nih.gov/Structure/pdb/6TZR
6TZR: A DNA G-quadruplex/i-motif hybrid
DNA (5'-D(*CP*CP*AP*GP*GP*CP*(BRU)P*GP*CP*AP*A)-3')BARIUM ION
a dnag quadruplexi motifhybrid
https://www.ncbi.nlm.nih.gov/Structure/pdb/2KKK
2KKK: An i-motif structure with intercalated T T pairs
5'-D(*(MCY)P*CP*TP*CP*TP*CP*TP*CP*C)-3'
an i2kkkmotifstructureintercalated
https://www.ncbi.nlm.nih.gov/Structure/pdb/1A83
1A83: INTRAMOLECULAR I-MOTIF, NMR, 6 STRUCTURES
DNA (5'-(MCY)CTTTCCTTTACCTTTCC-3')
i motifnmr6structures