2OFP

Crystal structure of Escherichia coli ketopantoate reductase in a ternary complex with NADP+ and pantoate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.629350mM HEPES-HCl, 35% v/v dioxane, 2 mM NADP+, 10 mM pantoate, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
3.0960.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.692α = 90
b = 101.692β = 90
c = 171.168γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152006-05-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-40.977ESRFID14-4

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
12.35099.90.0730.07312.89.3406704062938.8
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)
2.32.351000.4250.4259.340629

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB entries 1KS9 and 1YJQ2.343.9438533203299.920.15920.156210.215RANDOM36.301
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]
0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.219
r_dihedral_angle_4_deg18.431
r_dihedral_angle_3_deg16.253
r_dihedral_angle_1_deg5.975
r_scangle_it5.385
r_mcangle_it4.149
r_scbond_it3.972
r_mcbond_it3.04
r_angle_refined_deg1.448
r_nbtor_refined0.301
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.219
r_dihedral_angle_4_deg18.431
r_dihedral_angle_3_deg16.253
r_dihedral_angle_1_deg5.975
r_scangle_it5.385
r_mcangle_it4.149
r_scbond_it3.972
r_mcbond_it3.04
r_angle_refined_deg1.448
r_nbtor_refined0.301
r_symmetry_hbond_refined0.241
r_nbd_refined0.202
r_symmetry_vdw_refined0.194
r_xyhbond_nbd_refined0.173
r_chiral_restr0.095
r_bond_refined_d0.014
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4703
Nucleic Acid Atoms
Solvent Atoms508
Heterogen Atoms144

Software

Software
Software NamePurpose
REFMACrefinement
ADSCdata collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing