2FWM

Crystal Structure of E. coli EntA, a 2,3-dihydrodihydroxy benzoate dehydrogenase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
152772% PEG4000, 2% ethylene glycol, 300 mM AmSO4, 50 mM NaSuccinate, VAPOR DIFFUSION, HANGING DROP, temperature 277K, pH 5.00
Crystal Properties
Matthews coefficientSolvent content
2.0239.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.585α = 90
b = 66.643β = 90
c = 109.732γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray113CCDADSC QUANTUM 42005-08-02MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F2CHESSF2

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
125095.40.0594.314485
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)
122.07700.2983

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT240149021433370696.20.1860.214RANDOM21.48
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]
0.9-0.1-0.81
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg2129
r_mcangle_it1648
r_bond_refined_d1569
r_gen_planes_refined1191
r_nbtor_refined1087
r_mcbond_it1072
r_nbd_refined709
r_scbond_it560
r_scangle_it481
r_chiral_restr251
RMS Deviations
KeyRefinement Restraint Deviation
r_angle_refined_deg2129
r_mcangle_it1648
r_bond_refined_d1569
r_gen_planes_refined1191
r_nbtor_refined1087
r_mcbond_it1072
r_nbd_refined709
r_scbond_it560
r_scangle_it481
r_chiral_restr251
r_dihedral_angle_3_deg241
r_dihedral_angle_1_deg210
r_xyhbond_nbd_refined115
r_dihedral_angle_2_deg66
r_symmetry_vdw_refined58
r_symmetry_hbond_refined15
r_dihedral_angle_4_deg9
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1542
Nucleic Acid Atoms
Solvent Atoms109
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SnBphasing
RESOLVEphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling