9K8P

Crystal structure of a short zinc-dependent DNAzyme minGAA, dimeric form

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	PHOTON FACTORY BEAMLINE BL-1A
Synchrotron site	Photon Factory
Beamline	BL-1A
Temperature [K]	100
Detector technology	PIXEL
Collection date	2020-03-05
Detector	DECTRIS EIGER X 4M
Wavelength(s)	1.08
Spacegroup name	C 1 2 1
Unit cell lengths	68.096, 50.382, 51.382
Unit cell angles	90.00, 106.95, 90.00

Refinement procedure

Resolution	49.150 - 2.850
R-factor	0.24784
Rwork	0.243
R-free	0.32929
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.005
RMSD bond angle	1.238
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	REFMAC (5.8.0258)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	49.160	3.020
High resolution limit [Å]	2.850	2.850
Rmerge	0.042	0.700
Number of reflections	3855	1071
<I/σ(I)>	9.4
Completeness [%]	92.6	85.7
Redundancy	3.38	1.69
CC(1/2)	0.997	0.649

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	6.75% 2-methyl-2,4-pentandiol (MPD), 50 mM guanidine hydrochloride, 18 mM HEPES (7.5), 5.4 mM spermine, 18 mM LiCl, 36 mM SrCl2, 4.5 mM MgCl2, and 1 mM ZnCl2