3FR8

rice Ketolacid reductoisomerase in complex with Mg2+-NADPH


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.52910.1M TRIS-HCl pH 8.5, 1M (NH4)2SO4, 15% (w/v) polyethylene glycol 4000, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.8156.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 162.06α = 90
b = 162.06β = 90
c = 196.47γ = 90
Symmetry
Space GroupI 41 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944Osmic mirrors2008-08-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU1.54

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
12.819.22980.1030.1033.23171131711
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)
12.82.999.80.020.35422.73170

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 1YVE2.819.223171129991159897.710.235640.233070.28398RANDOM46.985
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]
0.060.06-0.11
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.609
r_dihedral_angle_3_deg16.385
r_dihedral_angle_4_deg14.361
r_dihedral_angle_1_deg5.012
r_angle_refined_deg1.046
r_scangle_it0.709
r_scbond_it0.408
r_mcangle_it0.374
r_nbtor_refined0.299
r_symmetry_hbond_refined0.218
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.609
r_dihedral_angle_3_deg16.385
r_dihedral_angle_4_deg14.361
r_dihedral_angle_1_deg5.012
r_angle_refined_deg1.046
r_scangle_it0.709
r_scbond_it0.408
r_mcangle_it0.374
r_nbtor_refined0.299
r_symmetry_hbond_refined0.218
r_mcbond_it0.211
r_nbd_refined0.19
r_symmetry_vdw_refined0.167
r_xyhbond_nbd_refined0.108
r_metal_ion_refined0.108
r_chiral_restr0.075
r_bond_refined_d0.006
r_gen_planes_refined0.002
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7815
Nucleic Acid Atoms
Solvent Atoms170
Heterogen Atoms112

Software

Software
Software NamePurpose
CrystalCleardata collection
AMoREphasing
REFMACrefinement
CrystalCleardata reduction
SCALEPACKdata scaling