The tandem, Face-to-Face AP Pairs in 5'(rGGCAPGCCU)2
Molecular Recognition in Purine-Rich Internal Loops: Thermodynamic, Structural, and Dynamic Consequences of Purine for Adenine Substitutions in 5'(rGGCAAGCCU)2
Sheared Aanti-Aanti Base Pairs in a Destabilizing 2x2 Internal Loop: The NMR Structure of 5'(rGGCAAGCCU)2
1YFV IS Tandem, sheared GA pairs in the same stem, determined by 2D NMR
1GID IS Tandem, sheared AA pairs in the J4/5 loop of Tetrahymena thermophila, determined by x-ray crystallography
1MUV IS the Tandem, sheared AA pairs, in 5'(rGGCAAGCCU)2
1mv1 is The tandem, sheared PA Pairs in 5'(rGGCPAGCCU)2
1mv6 is The tandem, Sheared PP Pairs in 5'(rGGCPPGCCU)2
The structure is based on a total of 71 interproton distance restraints per strand, 18 hydrogen bond restraints, and 59 dihedral angle restraints per strand.
simulated annealing, energy minimization
1mM RNA, 80 mM NaCl, 10mM phosphate buffer, 0.5mM EDTA; 90% H2O, 10% D2O
2mM RNA, 80 mM NaCl, 10mM phosphate buffer, 0.5mM EDTA; 99.996% D2O
ribonucleic acid, duplex, tandem mismatch, purine, RNA