5Z7I

Caulobacter crescentus GcrA DNA-binding domain(DBD)in complex with unmethylated dsDNA

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL17U1
Synchrotron site	SSRF
Beamline	BL17U1
Temperature [K]	100
Detector technology	PIXEL
Collection date	2016-04-18
Detector	DECTRIS PILATUS3 S 6M
Wavelength(s)	0.979
Spacegroup name	C 2 2 21
Unit cell lengths	49.909, 64.896, 126.474
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	28.869 - 1.601
R-factor	0.2013
Rwork	0.200
R-free	0.22360
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	IGV2
RMSD bond length	0.007
RMSD bond angle	0.963
Data reduction software	iMOSFLM
Data scaling software	SCALA
Phasing software	BALBES
Refinement software	PHENIX (1.9_1692)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	50.000	1.630
High resolution limit [Å]	1.600	1.600
Rmerge	0.080	0.930
Rpim	0.030	0.380
Number of reflections	27384
<I/σ(I)>	22.05	2.1
Completeness [%]	99.6	100
Redundancy	7.2	7.1
CC(1/2)	0.990	0.959

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, HANGING DROP		295	20% PEG 8000, 0.05M Potassium phosphate monobasic