4IJZ

Crystal structure of diaminopimelate epimerase from Escherichia coli


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.5293Sodium nitrate, PEG 3350, Bis-Tris propane, pH 8.5, vapor diffusion, hanging drop, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8957.38

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 89.38α = 90
b = 89.38β = 90
c = 179.618γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 315r2009-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAUSTRALIAN SYNCHROTRON BEAMLINE MX20.9795Australian SynchrotronMX2

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
12179.61896.10.077134.54766347663
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Rrim I (All)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
122.1193.70.3390.3390.3850.1782.24.36683

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT243.3747638194995.240.16460.1630.2029RANDOM25.5703
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]
-0.16-0.160.32
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.118
r_dihedral_angle_4_deg19.601
r_dihedral_angle_3_deg13.096
r_dihedral_angle_1_deg6.518
r_angle_refined_deg1.64
r_chiral_restr0.124
r_bond_refined_d0.014
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4244
Nucleic Acid Atoms
Solvent Atoms516
Heterogen Atoms12

Software

Software
Software NamePurpose
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction