6QN3

Structure of the Glutamine II Riboswitch

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	DIAMOND BEAMLINE I03
Synchrotron site	Diamond
Beamline	I03
Temperature [K]	100
Detector technology	PIXEL
Collection date	2019-01-17
Detector	DECTRIS PILATUS3 6M
Wavelength(s)	0.9195
Spacegroup name	C 2 2 21
Unit cell lengths	76.502, 115.725, 80.582
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	47.001 - 2.300
R-factor	0.2451
Rwork	0.242
R-free	0.29440
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.008
RMSD bond angle	1.513
Data reduction software	xia2
Data scaling software	xia2
Phasing software	PHASER
Refinement software	PHENIX ((1.14_3260: ???))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	80.580	2.240
High resolution limit [Å]	2.200	2.200
Rmerge	0.101	1.639
Rpim	0.044	0.762
Number of reflections	36523	938
<I/σ(I)>	8.7
Completeness [%]	100.0	99.58
Redundancy	6.4	5.6
CC(1/2)	0.996	0.762

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	6	280	0.2 M Magnesium Acetate tetrahydrate 0.1 M Sodium Cacodylate pH 6.0 19% Polyethylene Glycol 8000