2FK0

Crystal Structure of a H5N1 influenza virus hemagglutinin.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.55	290	22% PEG 2000, 0.1M HEPES, pH 6.55, VAPOR DIFFUSION, SITTING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.88	57.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 197.943	α = 90
b = 197.943	β = 90
c = 134.688	γ = 120

Symmetry
Space Group	P 3

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 315		2005-08-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2	1.00000	ALS	8.2.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.95	49.48	99.1	0.1	13.6	3.1		122612	1	1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.95	3.02	100		0.66	1.7	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1RD8	2.95	171.5	122499	121266	1233	98.87	0.26898	0.26847	0.31873	RANDOM	71.105

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]
1.44	0.72		1.44		-2.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.076
r_dihedral_angle_3_deg	21.825
r_dihedral_angle_4_deg	20.643
r_dihedral_angle_1_deg	8.491
r_angle_refined_deg	1.71
r_scangle_it	1.582
r_scbond_it	0.932
r_mcangle_it	0.536
r_symmetry_vdw_refined	0.403
r_nbtor_refined	0.328
r_mcbond_it	0.32
r_symmetry_hbond_refined	0.266
r_nbd_refined	0.258
r_xyhbond_nbd_refined	0.186
r_chiral_restr	0.109
r_bond_refined_d	0.019
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	35721
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	481

Software

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