1IV4

Structure of 2C-Methyl-D-erythritol-2,4-cyclodiphosphate Synthase (bound form Substrate)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1EVAPORATION6.5298PEG, pH 6.5, EVAPORATION, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.1241.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 106.364α = 90
b = 106.364β = 90
c = 149.19γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mmmirrors2001-10-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL44B20.7SPring-8BL44B2

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
11.552095.20.07110.58940054118106
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)
1.551.61760.175

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTfree R1.5520112156589890.50.2020.2060.257RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
7592
RMS Deviations
KeyRefinement Restraint Deviation
s_similar_adp_cmpnt0.06
s_non_zero_chiral_vol0.047
s_zero_chiral_vol0.038
s_anti_bump_dis_restr0.036
s_from_restr_planes0.0255
s_angle_d0.024
s_bond_d0.008
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6912
Nucleic Acid Atoms
Solvent Atoms516
Heterogen Atoms138

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
SHELXL-97refinement
X-PLORphasing