6KKS

Structural insights into target DNA recognition by R2R3-type MYB transcription factor

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRF BEAMLINE BL17U1
Synchrotron site	SSRF
Beamline	BL17U1
Temperature [K]	100
Detector technology	CCD
Collection date	2017-05-31
Detector	MARMOSAIC 300 mm CCD
Wavelength(s)	0.97915
Spacegroup name	P 21 21 21
Unit cell lengths	52.084, 63.927, 73.956
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	30.000 - 2.150
R-factor	0.215
Rwork	0.214
R-free	0.24560
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	1h8a
RMSD bond length	0.006
RMSD bond angle	1.149
Data reduction software	XDS
Data scaling software	XDS
Phasing software	PHASER
Refinement software	REFMAC (5.8.0135)

Data quality characteristics

	Overall	Inner shell	Outer shell
Low resolution limit [Å]	48.364	48.364	2.280
High resolution limit [Å]	2.150	6.400	2.150
Rmerge	0.105	0.043	0.935
Rmeas	0.109	0.045	0.969
Total number of observations	198226
Number of reflections	13918	590	2214
<I/σ(I)>	21.04	55.3	3.5
Completeness [%]	99.6	99.2	100
Redundancy	14.242	12.627	14.374
CC(1/2)	0.999	0.999	0.924

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	VAPOR DIFFUSION, SITTING DROP		291	0.1M MES pH 6.0, 30%(v/v) PEG600, 5%(w/v) PEG1000 and 10%(v/v) Glycerol