Experiment: 9YL4

Crystal structure of PprA S-F filament from Deinococcus radiodurans

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293.15	2.0 ul of protein solution was mixed with 1.0 uL of crystallization solution and hung upside-down in a sealed chamber containing 1mL of well solution. \| Protein solution: 6.4 mg/mL PprA (214 uM), 150mM KCl, 20mM Tris, pH 7.5 \| Crystallization solution (Molecular Dimensions - MCSG2 #82): 200 mM NaCl, 20% (w/v) PEG 8000, 100 mM CAPS:NaOH, pH 10.5 \| Well solution: 1.25 M Ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.89	57.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 95.837	α = 90
b = 111.339	β = 90
c = 402.967	γ = 90

Symmetry
Space Group	P 21 21 21

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 PILATUS 6M	IMCA-CAT default optics (Dec 2016)	2016-12-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	0.97950	APS	17-ID

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	3.7	107.318	92.6	0.303	0.311	0.066	0.998	8.4	21.7		34323			134.94

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	3.704	4.069	64.6		3.411	3.583	0.785	0.627	1.4	20.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	3.7	40.57	1.35	34259	1588	73.06	0.2291	0.2264	0.2261	0.2835	0.2806	146.08

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	16.2125
f_angle_d	0.6025
f_chiral_restr	0.0387
f_plane_restr	0.0103
f_bond_d	0.0035

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	25067
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
JDirector	data collection
autoPROC	data processing
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PHENIX	refinement