4YD0 | pdb_00004yd0

Influenza polymerase basic protein 2 (PB2) bound to an azaindole-tetrazole inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.7	293	1 uL protein solution (2.8 mg/mL protein, 50 mM Tris, pH 8, 200 mM sodium chloride, 2 mM dithiothreitol, 1 mM anthraquinone-2,6-disulfonic acid disodium salt, 7.5 mM GTP) + 0.4 uL well solution (1.5 M sodium formate, 100 mM sodium citrate, pH 4.7, 10 mM dithiothreitol) suspended over 1 mL of well solution, crystals transferred to a soaking solution (3.25 M sodium formate, 100 mM sodium citrate, pH 4.7) containing 1 mM inhibitor, incubated approximately 15 hours at room temperature, and then transferred to a cryo-preservative solution (soaking solution with 25% v/v glycerol) prior to freezing in liquid nitrogen

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.789	α = 90
b = 80.789	β = 90
c = 54.256	γ = 120

Symmetry
Space Group	P 65

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	ADSC QUANTUM 315r		2011-01-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.1	0.9774	ALS	5.0.1

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	2.616	25.293	98.8	0.042	26.7	4.7		6117			74.73

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	2.616	2.625	89.9		0.374		3.7	62

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	2.62	25.29	6084	304	98.77	0.1644	0.1617	0.16	0.2164	0.23	RANDOM	71.85

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]
1.4624			1.4624		-2.9248

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	19.96
t_omega_torsion	3.07
t_angle_deg	1.2
t_bond_d	0.009
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1260
Nucleic Acid Atoms
Solvent Atoms	72
Heterogen Atoms	31

Software

Software
Software Name	Purpose
PROCESS	data scaling
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
PROCESS	data reduction
BUSTER-TNT	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.