RNA Base-Pairs, Stacking, etc.
Interactive basepair map with 3D fragment visualization for: 1ZIH 
Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
GCAA RNA TETRALOOP, NMR, 10 STRUCTURES
Click to show/hide 1 nucleic acid sequences
No Protein Sequence Found
Jucker, F.M., Heus, H.A., Yip, P.F., Moors, E.H., Pardi, A.
A network of heterogeneous hydrogen bonds in GNRA tetraloops. 
J.Mol.Biol., 264, pp. 968 - 980, 1996.
SOLUTION NMR
P 1
Number of Models: 10 Structures
Asymmetric Unit coordinates (pdb format, Unix compressed(.gz))
Asymmetric Unit coordinates (cif format, Unix compressed(.gz))
Biological Assembly coordinates (pdb format)
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))