Robuta

https://www.rcsb.org/structure/2Q1R
Crystal Structure Analysis of the RNA Dodecamer CGCGAAUUAGCG, with a G-A mismatch.
crystal structurercsbpdbanalysisrna
https://www.ncbi.nlm.nih.gov/Structure/pdb/6XUR
RNA dodecamer with a 6-hydrazino-2-aminopurine modified baseMAGNESIUM ION
rnadodecameraminopurinemodified