7U22

Mycobacterium tuberculosis RNA polymerase sigma A holoenzyme open promoter complex containing UMN-7

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL12-2
Synchrotron site	SSRL
Beamline	BL12-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2021-01-22
Detector	DECTRIS PILATUS 6M
Wavelength(s)	1.00
Spacegroup name	P 21 21 21
Unit cell lengths	149.482, 161.445, 196.603
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	48.300 - 3.870
R-factor	0.2417
Rwork	0.240
R-free	0.27810
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	5uha
RMSD bond length	0.007
RMSD bond angle	1.125
Data reduction software	HKL-3000
Data scaling software	SCALEPACK
Phasing software	PHENIX
Refinement software	PHENIX (1.19_4092)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	3.940
High resolution limit [Å]	3.870	3.870
Number of reflections	44566	2282
<I/σ(I)>	9.04
Completeness [%]	99.0
Redundancy	9.1
CC(1/2)	0.972	0.380

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	8.2	296	20 mM Tris-HCl, pH 8.2, 200 mM potassium chloride, 20 mM magnesium chloride, 7% (m/v) PEG-3350