## NDB ID: URX035

## Features

RNA, RNA hammerhead ribozyme, catalytic RNA, loop

## Compound name

RNA hammerhead ribozyme

## Sequence in asymmetric unit

- Chain A: G U G G U C U G A U G A G G C C
- Chain B: G G C C G A A A C U C G U A A G A G U C A C C A C
- Chain C: G U G G U C U G A U G A G G C C
- Chain D: G G C C G A A A C U C G U A A G A G U C A C C A C

## Citation

W.G. Scott, J.T. Finch, A. Klug
The Crystal Structure of an All-RNA Hammerhead Ribozyme: A Proposed Mechanism for RNA Catalytic Cleavage
Cell, 81, pp. 991-1002, 1995.

## Space group

P3121

## Cell constants

         A = 64.980      B = 64.980      C = 138.140 (Ångstroms)
     alpha =  90.00   beta =  90.00  gamma = 120.00  (degrees)

## Crystallization conditions

- Method: vapor diffusion, sitting drop
- Solution: nucleic acid, water, PEG 6000, glycerol, spermine, magnesium acetate, ammonium acetate, ammonium cacodylate

## Refinement

The structure was refined using the X-PLOR 3.1 program. The R value is 25.1 for 6199 reflections in the resolution range 15.0 to 3.1 Å with Fobs > 2.0 sigma(Fobs).

## Coordinates

The coordinates for the asymmetric unit of this structure are stored in the NDB archive.

## Views of URX035

Four views of URX035 (biological unit 1)

Four views of URX035 (biological unit 2)

The asymmetric unit of URX035

A crystal packing picture of URX035

Another crystal packing picture

©1995,1996 The Nucleic Acid Database Project
Rutgers, The State University of New Jersey