2DFN

Structure of shikimate kinase from Mycobacterium tuberculosis complexed with ADP and shikimate at 1.9 angstrons of resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION82930.1M tris-HCl, 17% PEG 1500, 0.5-0.7M LiCl, pH 8.0, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.8456.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.296α = 90
b = 63.296β = 90
c = 91.61γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU2005-06-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX11.427LNLSD03B-MX1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.9335.16994.8161691601722
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.932.0321.64.62160

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1WE21.9335.162164751513080496.720.204940.2020.20170.26687RANDOM32.718
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]
0.010.01-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.012
r_dihedral_angle_3_deg19.884
r_dihedral_angle_4_deg19.472
r_scangle_it9.333
r_dihedral_angle_1_deg8.385
r_scbond_it7.39
r_mcangle_it4.917
r_mcbond_it3.937
r_angle_refined_deg2.01
r_symmetry_hbond_refined0.555
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg31.012
r_dihedral_angle_3_deg19.884
r_dihedral_angle_4_deg19.472
r_scangle_it9.333
r_dihedral_angle_1_deg8.385
r_scbond_it7.39
r_mcangle_it4.917
r_mcbond_it3.937
r_angle_refined_deg2.01
r_symmetry_hbond_refined0.555
r_xyhbond_nbd_refined0.423
r_nbd_refined0.361
r_symmetry_vdw_refined0.35
r_nbtor_refined0.319
r_chiral_restr0.187
r_bond_refined_d0.015
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1226
Nucleic Acid Atoms
Solvent Atoms192
Heterogen Atoms40

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
CCP4data scaling
AMoREphasing