Experiment: 2POX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	22% PEG 3350, 140mM Mg(NO3)2, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.894	α = 90
b = 107.504	β = 90
c = 275.663	γ = 90

Symmetry
Space Group	I 2 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	MARMOSAIC 225 mm CCD	mirrors	2006-10-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.98	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.946	30	99.7	0.098	15.1	7.5	79713	79474

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)
1	1.946	2.06	98.2		0.605	3	7.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2IOV	1.946	30	75697	75485	3984	99.72	0.17621	0.17621	0.17407	0.21612	RANDOM	4.144

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]
-0.11			-0.51		0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.667
r_dihedral_angle_4_deg	19.808
r_dihedral_angle_3_deg	14.683
r_dihedral_angle_1_deg	6.683
r_scangle_it	2.55
r_scbond_it	1.579
r_angle_refined_deg	1.49
r_mcangle_it	0.645
r_mcbond_it	0.371
r_nbtor_refined	0.304

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.667
r_dihedral_angle_4_deg	19.808
r_dihedral_angle_3_deg	14.683
r_dihedral_angle_1_deg	6.683
r_scangle_it	2.55
r_scbond_it	1.579
r_angle_refined_deg	1.49
r_mcangle_it	0.645
r_mcbond_it	0.371
r_nbtor_refined	0.304
r_nbd_refined	0.202
r_symmetry_vdw_refined	0.2
r_xyhbond_nbd_refined	0.169
r_symmetry_hbond_refined	0.145
r_chiral_restr	0.097
r_bond_refined_d	0.011
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7024
Nucleic Acid Atoms
Solvent Atoms	913
Heterogen Atoms

Software

Software
Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.