4X9Z

Dimeric conotoxin alphaD-GeXXA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP52890.1M citrate acid, 10% PEG 6000
Crystal Properties
Matthews coefficientSolvent content
2.0239.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 25.436α = 90
b = 42.423β = 90
c = 83.013γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315r2010-04-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-5A1.0000Photon FactoryBL-5A

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
11.55092.80.03647.56.313989
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)
11.51.5594.40.4184.66.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIO PHASINGTHROUGHOUT1.541.511323670992.810.17910.1770.2228RANDOM40.899
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]
0.571.57-2.14
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free32.967
r_sphericity_bonded31.163
r_dihedral_angle_2_deg17.595
r_dihedral_angle_3_deg17.21
r_dihedral_angle_4_deg13.846
r_dihedral_angle_1_deg5.864
r_rigid_bond_restr2.678
r_angle_refined_deg1.277
r_chiral_restr0.081
r_bond_refined_d0.008
RMS Deviations
KeyRefinement Restraint Deviation
r_sphericity_free32.967
r_sphericity_bonded31.163
r_dihedral_angle_2_deg17.595
r_dihedral_angle_3_deg17.21
r_dihedral_angle_4_deg13.846
r_dihedral_angle_1_deg5.864
r_rigid_bond_restr2.678
r_angle_refined_deg1.277
r_chiral_restr0.081
r_bond_refined_d0.008
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms715
Nucleic Acid Atoms
Solvent Atoms69
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling
ACORNphasing