Experiment: 3T5N

1.8A crystal structure of Lassa virus nucleoprotein in complex with ssRNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7	295	0.1M Hepes, pH 7.0, 18% PEG 3350, 12.5mM MgCl 2 and 7.5mM NiCl2, VAPOR DIFFUSION, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.84	33.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.159	α = 90
b = 71.737	β = 90
c = 56.887	γ = 90

Symmetry
Space Group	P 21 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 315r		2010-09-17	M	MAD
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	0.9795, 1.0	ALS	5.0.2
2				ALS	5.0.2

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	1.787	37	100				39465

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	SAD	1.787	37	1.92	29326	29326	1491	99.68	0.1837	0.1837	0.1823	0.21	0.1992

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]
3.1548			-0.8956		-2.2591

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.728
f_angle_d	0.998
f_chiral_restr	0.064
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2179
Nucleic Acid Atoms	122
Solvent Atoms	184
Heterogen Atoms	2

Software

Software
Software Name	Purpose
BOS	data collection
Auto-Rickshaw	phasing
PHENIX	refinement
d*TREK	data reduction
d*TREK	data scaling