4DXL

Crystal structure of IspE (4-diphosphocytidyl-2-C-methyl-D-erythritol kinase) from Mycobacterium abscessus, bound to CMP and ATP


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.5290Internal tracking number 230819a2, INDEX screen condition A2: 2 M ammonium sulfate, 0.1 M acetate, pH 4.5, MyabA.00725.a.A1 PW30213 at 29.3 mg/mL in 25 mM HEPES, pH 7.0, 500 mM sodium chloride, 2 mM DTT, 0.025% sodium azide, 5% glycerol, 2 mM CDP, 2 mM ATP, 2 mM meso-erythritol, cryoprotectant: Al's oil, VAPOR DIFFUSION, SITTING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
2.0941.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.59α = 90
b = 110.09β = 90
c = 53.29γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 944+2012-02-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU FR-E SUPERBRIGHT1.541780

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
125092.30.07316.655.317719-318.285
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)
122.0593.40.1926.43.5

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 3PYG235.5621771990592.20.1960.1930.253RANDOM12.101
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]
-0.230.73-0.5
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.996
r_dihedral_angle_4_deg17.848
r_dihedral_angle_3_deg12.81
r_dihedral_angle_1_deg6.932
r_angle_refined_deg1.567
r_angle_other_deg0.923
r_chiral_restr0.087
r_bond_refined_d0.014
r_gen_planes_refined0.007
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.996
r_dihedral_angle_4_deg17.848
r_dihedral_angle_3_deg12.81
r_dihedral_angle_1_deg6.932
r_angle_refined_deg1.567
r_angle_other_deg0.923
r_chiral_restr0.087
r_bond_refined_d0.014
r_gen_planes_refined0.007
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2180
Nucleic Acid Atoms
Solvent Atoms215
Heterogen Atoms53

Software

Software
Software NamePurpose
XSCALEdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
PHASERphasing