Experiment: 3P1G

Crystal Structure of the Xenotropic Murine Leukemia Virus-Related Virus (XMRV) RNase H Domain

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.7	291	PEG 1500, Magnesium Chloride, Sodium Citrate, pH 4.7, Vapor Diffusion, Hanging Drop, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
1.97	37.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.53	α = 90
b = 37.53	β = 90
c = 100.72	γ = 90

Symmetry
Space Group	P 41

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	NOIR-1		2010-09-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2	1.0	ALS	4.2.2

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	1.5	37.53	99.9	0.098	7.8	6.77		22272

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	1.5	1.55	99.3		0.771	2.1	3.66

Refinement

Statistics
Diffraction ID	Structure Solution 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	MOLECULAR REPLACEMENT	1.5	37.53	21970	1122	98.8	0.163	0.161	0.1566	0.182	0.1773	28.24

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.1
f_angle_d	0.995
f_chiral_restr	0.064
f_bond_d	0.006
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1206
Nucleic Acid Atoms
Solvent Atoms	162
Heterogen Atoms	1

Software

Software
Software Name	Purpose
d*TREK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction