4LVW

Structure of the THF riboswitch bound to 7-deazaguanine

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	CCD
Collection date	2013-01-19
Detector	ADSC QUANTUM 315r
Wavelength(s)	1.1051
Spacegroup name	P 21 21 21
Unit cell lengths	26.780, 68.480, 156.500
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.625 - 1.768
R-factor	0.2111
Rwork	0.209
R-free	0.23970
Structure solution method	MOLECULAR REPLACEMENT
RMSD bond length	0.004
RMSD bond angle	0.966
Data reduction software	MOSFLM
Data scaling software	SCALA
Phasing software	PHASER
Refinement software	PHENIX ((phenix.refine: 1.8_1069))

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	41.500	1.860
High resolution limit [Å]	1.768	1.768
Rmerge		0.471
<I/σ(I)>		1.7
Completeness [%]	96.3	90.7
Redundancy	3.5	3.2

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7	303	2,4-methyl-pentanediol, spermine, sodium cacodylate, sodium chloride, dithiothreitol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 303K