2JDQ

C-terminal domain of influenza A virus polymerase PB2 subunit in complex with human importin alpha5

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1Q1S	PDB ENTRY 1Q1S

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		1 MICROLITRE OF PROTEIN SOLUTION, AT 20 MG/ML IN 30 MM TRIS-HCL, PH 7.5, 150 MM NACL, 3 MM BETA-MERCAPTOETHANOL WAS MIXED WITH AN EQUAL VOLUME OF RESERVOIR SOLUTION (0.1 M NAAC, PH 4.6, 5 MM CACL2, 15% MPD)

Crystal Properties
Matthews coefficient	Solvent content
3.1	60.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 94.97	α = 90
b = 100.55	β = 90
c = 151.84	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	100	CCD	ADSC CCD		2006-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.2	50	99.5	0.09	9.4	4		74104

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	2.2	2.3	99.9		0.69	2.4	4.06

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-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1Q1S	2.2	30	71120	2969	99.6	0.208	0.206	0.247	RANDOM	17.77

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]
2.72			0.08		-2.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.588
r_dihedral_angle_4_deg	19.391
r_dihedral_angle_3_deg	15.576
r_dihedral_angle_1_deg	5.523
r_scangle_it	2.213
r_scbond_it	1.483
r_angle_refined_deg	1.273
r_angle_other_deg	0.928
r_mcangle_it	0.921
r_mcbond_it	0.797
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.189
r_symmetry_vdw_other	0.187
r_symmetry_hbond_refined	0.185
r_nbd_other	0.176
r_xyhbond_nbd_refined	0.176
r_nbtor_refined	0.174
r_nbtor_other	0.087
r_chiral_restr	0.073
r_bond_refined_d	0.012
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7597
Nucleic Acid Atoms
Solvent Atoms	265
Heterogen Atoms

Software

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