Experiment: 4P5I

Crystal structure of the chemokine binding protein from orf virus

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	289	CRYSTALLIZATION DROPLETS CONSISTED OF 3 UL ORFV CKBP (12 MG ML-1 IN 20 MM HEPES PH 7.0, 1 MM DTT) PLUS 3.0 UL OF A SOLUTION CONTAINING 100 MM L-ARG IN 1.8 M AMMONIUM CITRATE TRIBASIC PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K

Crystal Properties
Matthews coefficient	Solvent content
4	69.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.25	α = 90
b = 76.25	β = 90
c = 281.94	γ = 120

Symmetry
Space Group	P 65 2 2

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 4		2009-08-16	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX2	0.9541, 1.0346, 1.0403, 1.0267	Australian Synchrotron	MX2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.1	38.286	99.7	0.053	0.063	26.7	13.6		29375		3	29.86

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.1	2.21	99.9		0.577	0.577	1.3	13.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.25	38.28	24048	782	99.8	0.207	0.206	0.2039	0.233	0.2338

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]
1.0654			1.0654		-2.1309

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.07
f_angle_d	1.219
f_chiral_restr	0.085
f_bond_d	0.009
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1852
Nucleic Acid Atoms
Solvent Atoms	174
Heterogen Atoms	42

Software

Software
Software Name	Purpose
SOLVE	phasing
PHENIX	refinement
XDS	data reduction
SCALA	data scaling