3PQ2

Structure of I274C variant of E. coli KatE[] - Images 1-6


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3P9QPDB entry 3P9Q

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP929317% PEG3350, 1.6 M LiCl, 0.1 M Tris, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1442.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.508α = 90
b = 133.032β = 109.39
c = 122.654γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMarmosaicmirrors2009-08-27MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08ID-10.97934CLSI08ID-1

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
11.79431.27930.1617.93.524320824320822
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.989.40.4280.4281.43.134037

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 3P9Q1.7931.272432082429171215092.170.14410.14180.1892RANDOM13.6624
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]
-0.250.32-0.350.81
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.479
r_dihedral_angle_4_deg14.809
r_dihedral_angle_3_deg14.186
r_dihedral_angle_1_deg6.546
r_scangle_it3.825
r_scbond_it2.622
r_angle_refined_deg2.024
r_mcangle_it1.63
r_mcbond_it1.063
r_chiral_restr0.18
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.479
r_dihedral_angle_4_deg14.809
r_dihedral_angle_3_deg14.186
r_dihedral_angle_1_deg6.546
r_scangle_it3.825
r_scbond_it2.622
r_angle_refined_deg2.024
r_mcangle_it1.63
r_mcbond_it1.063
r_chiral_restr0.18
r_bond_refined_d0.026
r_gen_planes_refined0.012
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms22936
Nucleic Acid Atoms
Solvent Atoms3445
Heterogen Atoms356

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MxDCdata collection
REFMACphasing