1X1N

Structure determination and refinement at 1.8 A resolution of Disproportionating Enzyme from Potato


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1WW0PDB ENTRY 1WW0

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8277PEG 8000, HEPES, calcium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.160

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.869α = 90
b = 120.535β = 90
c = 174.382γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2102004-11-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW12A1.0000Photon FactoryAR-NW12A

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
11.887.0489.80.0317683036133623.13
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)
11.81.955.90.144115.45475

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1WW01.887.046132358187313689.60.190.18060.179010.21002RANDOM25.409
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]
1.01-0.31-0.7
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.464
r_dihedral_angle_4_deg18.268
r_dihedral_angle_3_deg12.586
r_dihedral_angle_1_deg5.316
r_scangle_it2.772
r_scbond_it1.736
r_mcangle_it1.318
r_angle_refined_deg1.15
r_mcbond_it0.793
r_nbtor_refined0.304
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.464
r_dihedral_angle_4_deg18.268
r_dihedral_angle_3_deg12.586
r_dihedral_angle_1_deg5.316
r_scangle_it2.772
r_scbond_it1.736
r_mcangle_it1.318
r_angle_refined_deg1.15
r_mcbond_it0.793
r_nbtor_refined0.304
r_nbd_refined0.188
r_symmetry_hbond_refined0.177
r_symmetry_vdw_refined0.173
r_metal_ion_refined0.161
r_xyhbond_nbd_refined0.134
r_chiral_restr0.082
r_bond_refined_d0.01
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4183
Nucleic Acid Atoms
Solvent Atoms662
Heterogen Atoms55

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
MOLREPphasing