6CFP

CRYSTAL STRUCTURE OF POLYMERASE ACID PROTEIN (PA) FROM INFLUENZA A VIRUS, WILSON-SMITH/1933 (H1N1) BOUND TO FRAGMENT HIT BSI-70565 1-{1-[4-FLUOROPHENYL)METHYL]-2-METHYL-1H-IMIDAZOL-4-YL}ETHAN-1-ONE

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	289	MOLECULAR DIMENSIONS MORPHEUS SCREEN D10: 10% PEG 8000, 20% ETHYLENE GLYCOL; 20MM OF EACH 1, 6-HEXANEDIOL, 1-BUTANOL, 1,2-PROPANEDIOL, 2-PROPANOL, 1,4- BUTANEDIOL, 1,3-PROPANEDIOL; 100MM TRIS/BICINE PH 8.5; INVAA.07057.A.D15. AT 20.0 MG/ML, OVERNIGHT SOAK WITH 7 MM BSI70565, DIRECT CRYO; tray 297881d10, puck WXU6-7

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.82	α = 90
b = 68.82	β = 90
c = 397.82	γ = 120

Symmetry
Space Group	P 65 2 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	CCD	RAYONIX MX-300		2018-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	2.45	50	99.9	0.072	21.87	9.38		21829		-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.45	2.51	100		0.531	4.72

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	4IUJ	2.45	41.13	21825	1946	99.9	0.179	0.231

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	12.92
f_angle_d	0.812
f_chiral_restr	0.045
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3132
Nucleic Acid Atoms
Solvent Atoms	104
Heterogen Atoms	21

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHENIX	refinement
PHASER	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.