3F7K

X-ray Crystal Structure of an Alvinella pompejana Cu,Zn Superoxide Dismutase- Hydrogen Peroxide Complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.529855% saturated ammonium sulfate, 100 mM Na citrate followed by transfer to 90% saturated ammonium sulfate, 100 mM Na citrate (pH 5.5) and 1 mM hydrogen peroxide, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.9458.19

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 62.563α = 90
b = 62.563β = 90
c = 163.745γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90CCDADSC QUANTUM 3152004-10-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 12.3.1ALS12.3.1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.355093.60.05522.624.539844
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.351.4580.322.12

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.35453978919940.1470.1280.176RANDOM
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
81057.751399.38
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.091
s_non_zero_chiral_vol0.067
s_zero_chiral_vol0.065
s_anti_bump_dis_restr0.054
s_similar_adp_cmpnt0.045
s_from_restr_planes0.032
s_bond_d0.014
s_rigid_bond_adp_cmpnt0.004
s_angle_d
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1138
Nucleic Acid Atoms
Solvent Atoms295
Heterogen Atoms26

Software

Software
Software NamePurpose
HKL-2000data collection
XFITdata reduction
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling