1ZNX

Crystal Structure Of Mycobacterium tuberculosis Guanylate Kinase In Complex With GMP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP929315% (w/v) xylitol, 3.5M sodium chloride, 0.1M bicine, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.6854.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.231α = 90
b = 112.231β = 90
c = 112.231γ = 90
Symmetry
Space GroupI 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4mirrors2003-12-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID290.9756ESRFID29

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
12.3519.599.60.0730.721.99932993250.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.352.411000.4428.922.2720

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 REPLACEMENTTHROUGHOUT1ZNW2.3519.259932993249399.90.183020.180470.23131RANDOM36.736
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]
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.451
r_dihedral_angle_4_deg17.984
r_dihedral_angle_3_deg17.316
r_dihedral_angle_1_deg5.957
r_scangle_it3.426
r_scbond_it2.046
r_angle_refined_deg1.52
r_mcangle_it1.044
r_mcbond_it0.87
r_nbtor_refined0.295
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.451
r_dihedral_angle_4_deg17.984
r_dihedral_angle_3_deg17.316
r_dihedral_angle_1_deg5.957
r_scangle_it3.426
r_scbond_it2.046
r_angle_refined_deg1.52
r_mcangle_it1.044
r_mcbond_it0.87
r_nbtor_refined0.295
r_symmetry_vdw_refined0.2
r_nbd_refined0.193
r_xyhbond_nbd_refined0.18
r_chiral_restr0.091
r_symmetry_hbond_refined0.087
r_bond_refined_d0.013
r_gen_planes_refined0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1385
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms24

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XDSdata scaling
XSCALEdata scaling
CCP4phasing