2OGX

The crystal structure of the molybdenum storage protein from Azotobacter vinelandii loaded with polyoxotungstates (WSto)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	0.05M MOPS, 0.05M sodium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.78	67.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.4	α = 90
b = 114.4	β = 90
c = 233.7	γ = 120

Symmetry
Space Group	P 63 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	2005-04-24	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	MARMOSAIC 225 mm CCD	mirrors	2005-04-24	M	MAD
1,2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.9787	SLS	X10SA
2	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
1,2	1.6	10	95.4	6.5	10.3	3.1	107052	107052

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)
1,2			82.9		5.15	2	2.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	1.6	10	107052	107052	5682	95.72	0.17414	0.17414	0.17295	0.19645	RANDOM	25.94

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]
0.78	0.39		0.78		-1.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.749
r_dihedral_angle_4_deg	16.743
r_dihedral_angle_3_deg	14.523
r_dihedral_angle_1_deg	5.986
r_scangle_it	4.699
r_scbond_it	3.063
r_mcangle_it	2.028
r_angle_refined_deg	1.91
r_mcbond_it	1.292
r_metal_ion_refined	0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.749
r_dihedral_angle_4_deg	16.743
r_dihedral_angle_3_deg	14.523
r_dihedral_angle_1_deg	5.986
r_scangle_it	4.699
r_scbond_it	3.063
r_mcangle_it	2.028
r_angle_refined_deg	1.91
r_mcbond_it	1.292
r_metal_ion_refined	0.37
r_nbtor_refined	0.323
r_symmetry_vdw_refined	0.232
r_nbd_refined	0.226
r_xyhbond_nbd_refined	0.166
r_symmetry_hbond_refined	0.141
r_chiral_restr	0.127
r_bond_refined_d	0.018
r_gen_planes_refined	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3812
Nucleic Acid Atoms
Solvent Atoms	391
Heterogen Atoms	70

Software

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

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.