8CWT

Complex structure of WhiB3 and the SigmaAr4-RNAP Beta flap tip chimera in space group P43212

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	2021-01-30
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.9795
Spacegroup name	P 43 21 2
Unit cell lengths	121.826, 121.826, 114.305
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	41.680 - 1.350
R-factor	0.1528
Rwork	0.152
R-free	0.17390
Structure solution method	SAD
RMSD bond length	0.012
RMSD bond angle	1.673
Data reduction software	HKL-3000 (v1.0)
Data scaling software	HKL-3000 (v1.0)
Phasing software	AutoSol (v1.0)
Refinement software	PHENIX (1.15.2_3472)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.370
High resolution limit [Å]	1.350	1.350
Rmerge	0.082	3.020
Rmeas	0.083	3.080
Rpim	0.016	0.619
Number of reflections	187184	18429
<I/σ(I)>	48.2
Completeness [%]	99.9	100
Redundancy	25.3	24.7
CC(1/2)	1.000	0.660

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP	8	293	10-20 mM NiCl2, 0.8-1.0 M Li2SO4