The tandem, Sheared PP Pairs in 5'(rGGCPPGCCU)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 the Tandem, sheared GA pairs in the same stem, determined by 2D NMR
1gid is the Tandem, sheared AA pairs in the J4/5 loop of Tetrahymena thermophila, determined by x-ray crystallography
1mUV is The tandem, sheared AA Pairs with same stem
1MV1 IS THE Tandem, Sheared PA Pairs in 5'(rGGCPAGCCU)2
1mv2 is The tandem, Face-to-Face AP Pairs in 5'(rGGCAPGCCU)2
total of 63 interproton distance restraints per strand, 18 hydrogen bond restraints, and 50 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