3E74

Crystal structure of E. coli allantoinase with iron ions at the metal center


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.72952.25M NaCl, 0.1M Na/K phosphate (pH6.7), 10mM EDTA, 1%(w/v) PEG3350, 1.2%(w/v) myo-inositol, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
3.0960.21

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.681α = 90
b = 92.45β = 93.3
c = 168.43γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210mirrors2007-03-21MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPAL/PLS BEAMLINE 4A0.97951PAL/PLS4A

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
12.15099.20.1144.6148374
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)
2.12.1898.40.4632.34.514604

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT2.150269201185521188279.30.1990.24RANDOM29.915
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]
-0.44-2.0122.747-2.306
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.457
c_scbond_it2.467
c_mcangle_it2.128
c_mcbond_it1.359
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13199
Nucleic Acid Atoms
Solvent Atoms865
Heterogen Atoms8

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SOLVEphasing
RESOLVEphasing
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection