2XWL

Crystal structure of IspD from Mycobacterium smegmatis in complex with CTP and Mg


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1VGTPDB ENTRY 1VGT

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP293SITTING-DROP VAPOR-DIFFUSION METHOD AT 293 K. DROPS WITH 300 NANOLITERS PROTEIN SOLUTION (PROTEIN AT 40 MG/ML IN 20 MM BIS-TRIS-PROPANE, PH 6.5, 0.1 M NACL WITH 10 MM CTP AND 10 MM MGCL2) AND 300 NANOLITERS SCREENING/RESERVOIR SOLUTION (10% (W/V) PEG 8000, 20% (V/V) ETHYLENE GLYCOL, 0.03 M EACH OF DIETHYLENEGLYCOL, TRIETHYLENEGLYCOL, TETRAETHYLENEGLYCOL, PENTAETHYLENEGLYCOL AND 0.1 M MES/IMIDAZOLE BUFFERS PH 6.5)
Crystal Properties
Matthews coefficientSolvent content
2.1743.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.33α = 90
b = 72.98β = 90
c = 117.18γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 315r2010-02-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-4ESRFID14-4

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
11.4938.599.60.0618.67.664486
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.491.5799.50.415.37.5

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 ENTRY 1VGT1.4961.9561154326299.50.1860.1850.21RANDOM23.05
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]
1.08-0.84-0.24
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.703
r_dihedral_angle_4_deg14.62
r_dihedral_angle_3_deg11.769
r_dihedral_angle_1_deg5.173
r_angle_refined_deg1.29
r_chiral_restr0.073
r_bond_refined_d0.008
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.703
r_dihedral_angle_4_deg14.62
r_dihedral_angle_3_deg11.769
r_dihedral_angle_1_deg5.173
r_angle_refined_deg1.29
r_chiral_restr0.073
r_bond_refined_d0.008
r_gen_planes_refined0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3166
Nucleic Acid Atoms
Solvent Atoms470
Heterogen Atoms60

Software

Software
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing