6QWK

The Transcriptional Regulator PrfA-L140F mutant from Listeria Monocytogenes in complex with a 30-bp operator PrfA-box motif

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5LEJ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	Droplets of 4 microl protein-DNA solution (ratio 1:1.3) in 20 mM Tris-HCl pH 8.0, 50 mM NaCl, and 1 mM EDTA at 6 mg per ml were mixed with 2 microl reservoir solution consisting of 8% PEG 8000, 100 mM sodium citrate pH 4.6, 100 mM Magnesium acetate and 20% glycerol.

Crystal Properties
Matthews coefficient	Solvent content
2.78	55.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.399	α = 90
b = 78.399	β = 90
c = 265.313	γ = 90

Symmetry
Space Group	P 43 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 PILATUS3 6M		2017-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID30B	0.96770	ESRF	ID30B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	2.9	46.98	99.5	0.175	0.048	14.6	25.6		19158

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.9	3	99.8		2.058	0.55	2.2	28

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	5LEJ	2.9	46.971	1.35	19119	920	99.25	0.2349	0.2324	0.2829

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	16.435
f_angle_d	0.52
f_chiral_restr	0.039
f_bond_d	0.003
f_plane_restr	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3846
Nucleic Acid Atoms	1230
Solvent Atoms	22
Heterogen Atoms	6

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	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.