6J4R

Structural basis for the target DNA recognition and binding by the MYB domain of phosphate starvation response regulator 1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.5	289	28%PEG3350 , 0.1M citrate-Na pH 5.5

Crystal Properties
Matthews coefficient	Solvent content
3.53	64.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.966	α = 90
b = 88.966	β = 90
c = 143.445	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER X 16M		2018-06-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U1	0.979	SSRF	BL17U1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.8	75.61	99.2	0.111	0.116	0.033	0.999	16	12.6		14723

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.95	99.2		4.072	4.235	1.157	0.619		13.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.8	71.72	13959	720	99.05	0.2171	0.2154	0.2491	RANDOM	102.85

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
6.16			6.16		-12.32

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	23.646
r_dihedral_angle_4_deg	22.941
r_dihedral_angle_3_deg	21.247
r_dihedral_angle_1_deg	5.153
r_angle_refined_deg	1.629
r_chiral_restr	0.088
r_bond_refined_d	0.012
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1821
Nucleic Acid Atoms	886
Solvent Atoms	1
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data scaling
PDB_EXTRACT	data extraction
xia2	data reduction
PHENIX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.