Experiment: 3MTV

The Crystal Structure of the PRRSV Nonstructural Protein Nsp1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	291	100mM HEPES (pH 7.0), VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.5	72.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.895	α = 90
b = 100.895	β = 90
c = 81.685	γ = 90

Symmetry
Space Group	P 41 21 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 315		2009-03-15	M	SINGLE WAVELENGTH
2	1	x-ray	100	CCD	ADSC QUANTUM 270		2009-03-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0000	Photon Factory	BL-5A
2	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	0.9798, 0.9795, 0.960	Photon Factory	BL-17A

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	2.8	31.91	99	0.097		18.1	12120	12021			74.95

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)
	2.8	2.8	99.6		0.421		11.2	1189

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.8	31.906	0.22	12120	10604	506	97.72	0.2035	0.2005	0.2082	0.2607	0.2536	random	68.325

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]
3.473			3.473		-6.9461

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	21.951
f_angle_d	3.426
f_chiral_restr	0.188
f_bond_d	0.038
f_plane_restr	0.018

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1632
Nucleic Acid Atoms
Solvent Atoms	20
Heterogen Atoms

Software

Software
Software Name	Purpose
ADSC	data collection
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing