2Z26 | pdb_00002z26

Thr110Ala dihydroorotase from E. coli


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1XGE 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.2527717% PEG3350, 0.1M MES, 75mM MgCl2, 0.15M KCl, pH 6.25, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3647.86

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.493α = 90
b = 78.885β = 90
c = 180.091γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2006-04-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-B0.9793APS23-ID-B

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
11.293291.10.07120.56.816674316674316.1
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)
1.291.3249.80.36333.16718

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 (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1XGE1.2932166743166743840791.10.1310.1290.130.1540.15RANDOM17.902
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]
-0.170.150.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.197
r_dihedral_angle_4_deg14.488
r_sphericity_free12.383
r_dihedral_angle_3_deg10.455
r_sphericity_bonded6.448
r_dihedral_angle_1_deg6.198
r_scangle_it5.347
r_scbond_it4.168
r_mcangle_it4.087
r_mcbond_it3.59
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5464
Nucleic Acid Atoms
Solvent Atoms782
Heterogen Atoms45

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling