3FPI

Crystal Structure of 2-C-Methyl-D-Erythritol 2,4-Cyclodiphosphate Synthase IspF complexed with Cytidine Triphosphate


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP72911.0M Ammonium sulfate, 0.1M HEPES pH 7.0, 0.5 % w/v PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 145.639α = 90
b = 145.639β = 90
c = 145.639γ = 90
Symmetry
Space GroupI 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDSBC-3mirrors2008-11-02MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-BM0.9786APS19-BM

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
12.834.3399.90.09510.4127511275183.86
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)
2.82.851000.9682.110.7620

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSAD/MRTHROUGHOUT3F6M2.834.33120061200661698.950.1720.1720.170.199RANDOM68.782
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_deg38.572
r_dihedral_angle_3_deg21.045
r_dihedral_angle_4_deg17.763
r_dihedral_angle_1_deg8.492
r_scangle_it4.71
r_scbond_it2.702
r_mcangle_it1.797
r_angle_refined_deg1.745
r_mcbond_it0.901
r_chiral_restr0.101
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg38.572
r_dihedral_angle_3_deg21.045
r_dihedral_angle_4_deg17.763
r_dihedral_angle_1_deg8.492
r_scangle_it4.71
r_scbond_it2.702
r_mcangle_it1.797
r_angle_refined_deg1.745
r_mcbond_it0.901
r_chiral_restr0.101
r_bond_refined_d0.017
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1213
Nucleic Acid Atoms
Solvent Atoms76
Heterogen Atoms52

Software

Software
Software NamePurpose
SBC-Collectdata collection
HKL-3000data collection
HKL-3000phasing
MLPHAREphasing
DMmodel building
SHELXDphasing
RESOLVEmodel building
Cootmodel building
BALBESphasing
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling
DMphasing
RESOLVEphasing