3EJF

Crystal structure of IBV X-domain at pH 8.5

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5	285.15	30% PEG 4000, 0.1 M TRIS PH 8.5, 0.2 M MAGENSIUM CHLORIDE, temperature 285.15K

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.12

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.207	α = 90
b = 79.811	β = 90
c = 99.741	γ = 90

Symmetry
Space Group	C 2 2 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	MARRESEARCH		2007-06-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13		EMBL/DESY, HAMBURG	X13

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	1.6	24.82	97.9	0.103	18.371	7.1		22201			15.2

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)
	1.6	1.64	97.1		0.244		6.2

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	24.82	21036	22172	1136	97.7	0.171	0.169	0.203	RANDOM	14.14

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]
0.3			-0.41		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.529
r_dihedral_angle_3_deg	10.96
r_dihedral_angle_4_deg	9.611
r_dihedral_angle_1_deg	6.137
r_scangle_it	2.881
r_scbond_it	2.116
r_angle_refined_deg	1.349
r_mcangle_it	1.23
r_mcbond_it	1.099
r_angle_other_deg	0.884
r_nbd_refined	0.212
r_mcbond_other	0.209
r_nbtor_refined	0.187
r_nbd_other	0.182
r_symmetry_vdw_other	0.17
r_symmetry_vdw_refined	0.164
r_xyhbond_nbd_refined	0.121
r_symmetry_hbond_refined	0.112
r_nbtor_other	0.087
r_chiral_restr	0.082
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1325
Nucleic Acid Atoms
Solvent Atoms	212
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing