6P1C

Transcription antitermination factor Q21, SeMet-derivative

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	2018-02-08
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.987
Spacegroup name	P 21 21 2
Unit cell lengths	59.466, 88.595, 31.186
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	44.297 - 2.005
R-factor	0.2007
Rwork	0.197
R-free	0.23590
Structure solution method	SAD
Data reduction software	DENZO
Data scaling software	SCALEPACK
Phasing software	AutoSol
Refinement software	PHENIX (1.14_3260)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	50.000	50.000	2.030
High resolution limit [Å]	2.000	5.430	2.000
Rmerge	0.060	0.025	1.107
Rmeas	0.062	0.026	1.153
Rpim	0.018	0.008	0.319
Total number of observations	140779
Number of reflections	11573	661	563
<I/σ(I)>	10.7
Completeness [%]	99.7	99	100
Redundancy	12.2	11.1	12.6
CC(1/2)		0.998	0.825

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP	7.5	278	20% PEG 8000 100 mM HEPES pH 7.5