6J5B

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	6.5	289	30% PEG 3350, 0.2M CaCl2, 0.1M MES pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
3.51	64.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 53.581	α = 91.47
b = 53.581	β = 91.47
c = 98.884	γ = 94.79

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	RAYONIX MX300HE		2018-01-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL18U1	0.978	SSRF	BL18U1

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	2.7	47.52	97.5	0.073	0.09	0.052	0.998	7.7	2.7		29308

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	2.7	2.83	95.6		0.3113	3.88	2.276	0.193		2.5

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	2.7	39.44	27093	1473	95.06	0.2195	0.2178	0.2508	RANDOM	99.649

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]
-1.03	-1.41	-8.39	-0.85	-8.45	3.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.185
r_dihedral_angle_4_deg	26.3
r_dihedral_angle_3_deg	24.311
r_dihedral_angle_1_deg	4.694
r_angle_refined_deg	1.489
r_chiral_restr	0.083
r_gen_planes_refined	0.01
r_bond_refined_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2772
Nucleic Acid Atoms	2442
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
Aimless	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.