1GQV

Atomic Resolution (0.98A) Structure of Eosinophil-Derived Neurotoxin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.51.4M SODIUM ACETATE, 0.1M MES PH 6.5
Crystal Properties
Matthews coefficientSolvent content
1.7936.85

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 53.024α = 90
b = 57.477β = 90
c = 42.398γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCD2001-03-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRS BEAMLINE PX9.6SRSPX9.6

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
10.984099.60.05721.678.1874763
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)
10.981.0299.90.423.76.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTFREE R-VALUEPDB ENTRY 1HI20.981074606103198.20.11590.1160.1444RANDOM
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
1710291279.5
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.163
s_zero_chiral_vol0.158
s_anti_bump_dis_restr0.119
s_approx_iso_adps0.086
s_angle_d0.034
s_from_restr_planes0.0339
s_similar_adp_cmpnt0.024
s_rigid_bond_adp_cmpnt0.019
s_bond_d0.012
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1088
Nucleic Acid Atoms
Solvent Atoms226
Heterogen Atoms4

Software

Software
Software NamePurpose
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
CNSphasing
SHELXphasing