1IQZ

OXIDIZED [4Fe-4S] FERREDOXIN FROM BACILLUS THERMOPROTEOLYTICUS (FORM I)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICRODIALYSIS6.5277ammonium sulfate, MES, pH 6.5, MICRODIALYSIS, temperature 277.0K
Crystal Properties
Matthews coefficientSolvent content
2.2444.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.7α = 90
b = 37.45β = 105.7
c = 32.56γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4BENT CYLINDER2000-06-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL40B20.70SPring-8BL40B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
10.9213.599.50.0746.54.95441554415
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
0.920.9699.50.2192.73.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R2FXB0.9275374153741511199.50.09720.09720.09660.113RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
6486766
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.109
s_zero_chiral_vol0.098
s_approx_iso_adps0.09
s_similar_adp_cmpnt0.038
s_anti_bump_dis_restr0.036
s_angle_d0.028
s_from_restr_planes0.028
s_bond_d0.017
s_rigid_bond_adp_cmpnt0.006
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms634
Nucleic Acid Atoms
Solvent Atoms166
Heterogen Atoms13

Software

Software
Software NamePurpose
CNSrefinement
SHELXL-97refinement
MOSFLMdata reduction
CCP4data scaling
CNSphasing