5UH8

Crystal structure of Mycobacterium tuberculosis transcription initiation complex containing 4nt RNA

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	APS BEAMLINE 19-ID
Synchrotron site	APS
Beamline	19-ID
Temperature [K]	100
Detector technology	PIXEL
Collection date	2016-03-09
Detector	DECTRIS PILATUS3 R CdTe 300K
Wavelength(s)	1.03316
Spacegroup name	P 21 21 21
Unit cell lengths	151.995, 163.666, 197.782
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	48.640 - 4.176
R-factor	0.2045
Rwork	0.201
R-free	0.25690
Data reduction software	HKL-2000
Data scaling software	HKL-2000
Phasing software	PHENIX
Refinement software	PHENIX

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	4.350
High resolution limit [Å]	4.200	9.030	4.200
Rmerge	0.172	0.106	0.669
Rmeas	0.183	0.112	0.740
Rpim	0.060	0.036	0.299
Total number of observations	280372
Number of reflections	35874
<I/σ(I)>	6.6
Completeness [%]	96.1	99.6	82.6
Redundancy	7.8	9.7	4.4
CC(1/2)		0.974	0.489

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		295	50 mM Tris-HCl, pH 8.2, 200 mM KCl, 50 mM MgCl2, and 10% PEG3350