A Portal for Three-dimensional Structural Information about Nucleic Acids
As of 29-Jun-2016 number of released structures: 8332
Search for released structures

NDB ID: UR0029    PDB ID: 1NYI 


Title:

CROSSLINKED HAMMERHEAD RIBOZYME INITIAL STATE

Molecular Description:

Hammerhead Ribozyme

Structural Keywords:

DOUBLE HELIX, BULGE, FLIPPED-OUT BASES, OVERHANGING BASES

Nucleic Acid Sequence:

Click to show/hide 2 nucleic acid sequences

Protein Sequence:

No Protein Sequence Found

Primary Citation:

Dunham, C.M., Murray, J.B., Scott, W.G.
A helical twist-induced conformational switch activates cleavage in the hammerhead ribozyme. 
J.Mol.Biol., 332, pp. 327 - 336, 2003.

Experimental Information:

X-RAY DIFFRACTION

Space Group:

P 31 2 1

Cell Constants:

a = 65.639   b = 65.639   c = 137.475 (Ångstroms)

α = 90.0   β = 90.0   γ = 120.0 (degrees)

Refinement:

The structure was refined using the REFMAC 5.1 program. The R value is 0.20607 for 7544 reflections in the resolution range 19.76 to 2.85 Ångstroms with Fobs >  0.0 sigma(Fobs) and with I >  0.0 sigma(I)