4ENF

Crystal structure of the cap-binding domain of polymerase basic protein 2 from influenza virus A/Puerto Rico/8/34(h1n1)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	0.2M potassium nitrate, 20% PEG 3350, 8% 1,4-Butanediol, 0.1M HEPES pH7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.44

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 29.489	α = 71.1
b = 37.044	β = 69.84
c = 38.335	γ = 75.85

Symmetry
Space Group	P 1

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	MARMOSAIC 225 mm CCD		2010-05-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.9795	SSRF	BL17U

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	1.32	15	89.17				31393

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.32	14.29	31392	29803	1589	93.92	0.1721	0.12977	0.12747	0.13	0.17216	0.17	RANDOM	17.177

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]
-0.03	0.03	-0.02		-0.01	0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.239
r_sphericity_free	14.7
r_dihedral_angle_4_deg	14.242
r_dihedral_angle_3_deg	13.002
r_sphericity_bonded	10.821
r_scangle_it	7.083
r_dihedral_angle_1_deg	6.607
r_scbond_it	5.043
r_mcangle_it	4.033
r_rigid_bond_restr	2.956
r_mcbond_it	2.758
r_angle_refined_deg	2.234
r_chiral_restr	0.162
r_bond_refined_d	0.027
r_gen_planes_refined	0.014
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1299
Nucleic Acid Atoms
Solvent Atoms	221
Heterogen Atoms	20

Software

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