RNA Base-Pairs, Stacking, etc.
Interactive basepair map with 3D fragment visualization for: 2B57 
Symbolic WebFR3D search for:2B57 
Geometric WebFR3D search for:2B57 
Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
GUANINE RIBOSWITCH C74U MUTANT BOUND TO 2,6-DIAMINOPURINE
65-MER
, LOOP, HAIRPIN LOOP
Click to show/hide 1 nucleic acid sequences
No Protein Sequence Found
Gilbert, S.D., Stoddard, C.D., Wise, S.J., Batey, R.T.
Thermodynamic and kinetic characterization of ligand binding to the purine riboswitch aptamer domain. 
J.Mol.Biol., 359, pp. 754 - 768, 2006.
X-RAY DIFFRACTION
C 1 2 1
a = 131.9 b = 34.8 c = 41.46 (Ångstroms)
α = 90.0 β = 90.83 γ = 90.0 (degrees)
The structure was refined using the CNS program. The R value is 0.246 for 10387 reflections in the resolution range 19.86 to 2.15 Ångstroms with Fobs > 0.0 sigma(Fobs) and with I > 0.0 sigma(I)
Asymmetric Unit coordinates (pdb format, Unix compressed(.gz))
Asymmetric Unit coordinates (cif format, Unix compressed(.gz))
Biological Assembly coordinates (pdb format) 1
Structure Factors (cif format)
Coordinates (pdb format, Unix compressed(.gz))
Coordinates (cif format, Unix compressed(.gz))
NMR Restraints (cif format, Unix compressed(.gz))
XML | Complete with coordinates (xml format, GNU compressed(.gz))