7JHR

Self-assembly of a 3D DNA crystal lattice (4x6 junction version) containing the J4 immobile Holliday junction with R3 symmetry

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	ALS BEAMLINE 5.0.2
Synchrotron site	ALS
Beamline	5.0.2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-03-15
Detector	DECTRIS PILATUS3 6M
Wavelength(s)	1
Spacegroup name	H 3
Unit cell lengths	115.150, 115.150, 48.657
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	43.729 - 3.158
R-factor	0.2491
Rwork	0.245
R-free	0.27750
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	6xna
RMSD bond length	0.004
RMSD bond angle	0.635
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHASER
Refinement software	PHENIX (1.11.1_2575)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	3.200
High resolution limit [Å]	3.150	8.540	3.150
Rmerge	0.061	0.042	0.308
Rmeas	0.064	0.045	0.328
Rpim	0.020	0.014	0.109
Number of reflections	3297	205	62
<I/σ(I)>	6.3
Completeness [%]	79.4	99.5	26.6
Redundancy	8.7	10.6	6.7
CC(1/2)	1.000	1.000	0.967

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		298	0.5 mL of 0.05 M Cacodylate pH 7.0 with 20 mM MgCl2, 1.0 mM spermine, 1.0 mM CoH18N6, and 15% Ethanol was added to the reservoir with 2 uL added to the drop containing 4 uL of DNA stock