RNA Base-Pairs, Stacking, etc.
Interactive basepair map with 3D fragment visualization for: 2DR7 
Base Pair Hydrogen Bonding Classification
Nucleic Acid Backbone Torsions
Base Pair Morphology Parameters
COMPLEX STRUCTURE OF CCA-ADDING ENZYME WITH TRNAMINIDC
CCA-adding enzyme (E.C.2.7.7.25
2.7.7.21)/tRNA Complex
A DOUBLE HELIX, HAIRPIN LOOP
Click to show/hide 1 nucleic acid sequences
Click to show/hide 1 protein sequences
Tomita, K., Ishitani, R., Fukai, S., Nureki, O.
Complete crystallographic analysis of the dynamics of CCA sequence addition 
Nature, 443, pp. 956 - 960, 2006.
X-RAY DIFFRACTION
P 43 21 2
a = 57.962 b = 57.962 c = 441.72 (Ångstroms)
α = 90.0 β = 90.0 γ = 90.0 (degrees)
The structure was refined using the CNS program. The R value is 0.219 for 21573 reflections in the resolution range 10.0 to 2.8 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))