6P2H

Structural basis for 2'-deoxyguanosine recognition by the 2'-dG-II class of riboswitches

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	ROTATING ANODE
Source details	RIGAKU MICROMAX-007 HF
Temperature [K]	100
Detector technology	PIXEL
Collection date	2018-06-22
Detector	DECTRIS PILATUS 200K
Wavelength(s)	1.5406
Spacegroup name	P 41 2 2
Unit cell lengths	91.805, 91.805, 77.756
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	29.953 - 2.803
R-factor	0.2474
Rwork	0.244
R-free	0.27560
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	4fe5
RMSD bond length	0.001
RMSD bond angle	0.535
Data reduction software	HKL-3000
Data scaling software	HKL-3000
Phasing software	PHASER
Refinement software	PHENIX (1.14-3260)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	29.953	2.904
High resolution limit [Å]	2.803	2.803
Rmerge	0.096	0.608
Rpim	0.030	0.195
Number of reflections	8547	816
<I/σ(I)>	27.25	3.37
Completeness [%]	97.7	97.69
Redundancy	10.8	10.3
CC(1/2)		0.946

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	6	303	40 mM sodium cacodylate pH 6.0, 23% v/v methylpentanediol, 18 mM cobalt hexamine, 80 mM potassium chloride, and 12 mM sodium chloride