4LN6

The crystal structure of hemagglutinin from a h7n9 influenza virus (a/shanghai/2/2013)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	8	293	0.2M CaCl2, 20% PEG3350, pH 8.0, Microbatch, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.71	54.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 154.023	α = 90
b = 152.834	β = 90
c = 155.303	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		IMAGE PLATE	MAR scanner 300 mm plate		2013-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.15	50	99.9				15241	2	2

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	2.15	2.21	99.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.12	49.07	2	199965	188396	10047	95.35	0.24	0.23935	0.23828	0.25926	RANDOM	38.685

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]
-22.72			9.13		13.59

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.243
r_dihedral_angle_3_deg	17.399
r_dihedral_angle_4_deg	15.603
r_dihedral_angle_1_deg	6.685
r_angle_refined_deg	1.865
r_angle_other_deg	1.257
r_chiral_restr	0.12
r_bond_refined_d	0.018
r_gen_planes_refined	0.012
r_bond_other_d	0.009

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.243
r_dihedral_angle_3_deg	17.399
r_dihedral_angle_4_deg	15.603
r_dihedral_angle_1_deg	6.685
r_angle_refined_deg	1.865
r_angle_other_deg	1.257
r_chiral_restr	0.12
r_bond_refined_d	0.018
r_gen_planes_refined	0.012
r_bond_other_d	0.009
r_gen_planes_other	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	22677
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms	351

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

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.