Experiment: 6QUA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6FDH	The starting model for molecular replacement was VNG0258H/RosR (from KCl; PDB code 6FDH) and a DNA model derived from Mycobacterium tuberculosis MosR (PDB code 4FX4) but with the SG sequence.
experimental model	PDB	4FX4	The starting model for molecular replacement was VNG0258H/RosR (from KCl; PDB code 6FDH) and a DNA model derived from Mycobacterium tuberculosis MosR (PDB code 4FX4) but with the SG sequence.

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	293.15	The complex crystallized from a buffer containing 20 mM HEPES, pH 7, 2 M KCl and 0.02% azide, DNA/hsRosR ratio = 1.83. 2.96 M (NH4)2SO4, 30 mM MnCl2 and 0.02% azide.

Crystal Properties
Matthews coefficient	Solvent content
4.03	69.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.279	α = 81.91
b = 84.665	β = 87.13
c = 90.4	γ = 75.61

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	PIXEL	DECTRIS PILATUS3 6M		2017-09-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.976	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	2.56	45.79	84.4	0.089	7.4	3.3		22780

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.56	2.839

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	The starting model for molecular replacement was VNG0258H/RosR (from KCl; PDB code 6FDH) and a DNA model derived from Mycobacterium tuberculosis MosR (PDB code 4FX4) but with the SG sequence.	2.681	45.79	1.96	21032	1082	55.72	0.2407	0.2381	0.24	0.2893	0.29

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	23.36
f_angle_d	0.634
f_chiral_restr	0.034
f_bond_d	0.004
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3644
Nucleic Acid Atoms	2296
Solvent Atoms	52
Heterogen Atoms	69

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
STARANISO	data scaling
PHASER	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 R01GM157729.