9Q3B

[21-6B G|A] 21 bp DNA assembly that propagates via blunt-end stacking with G stacking on A at the interface

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 17-ID
Synchrotron site	APS
Beamline	17-ID
Temperature [K]	100
Detector technology	PIXEL
Collection date	2023-06-17
Detector	DECTRIS EIGER X 9M
Wavelength(s)	0.92010
Spacegroup name	P 32
Unit cell lengths	69.012, 69.012, 53.790
Unit cell angles	90.00, 90.00, 120.00

Refinement procedure

Resolution	18.680 - 3.550
R-factor	0.2476
Rwork	0.245
R-free	0.29380
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.004
RMSD bond angle	0.725
Data reduction software	autoPROC
Data scaling software	STARANISO
Phasing software	PHASER
Refinement software	PHENIX (1.21.2_5419)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	18.682	18.682	4.104
High resolution limit [Å]	3.545	8.866	3.545
Number of reflections	1998	200	197
<I/σ(I)>	5.4
Completeness [%]	84.4
Redundancy	4.7
CC(1/2)	0.998	0.998	0.242

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		293	100 mM MOPS, 1.25 M magnesium sulfate