8FV8

E coli. CTP synthase in complex with dF-dCTP + ADP


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5TKV 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP2770.1 M TRIS-Cl pH 8.0 (room temperature), 5 mM magnesium chloride, 1.15 - 1.4 M ammonium sulfate, 15 mg/mL CTPS.
Crystal Properties
Matthews coefficientSolvent content
4.5472.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 158.014α = 90
b = 109.426β = 90
c = 129.023γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRAYONIX MX-3002021-12-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08B1-11.6534CLSI08B1-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.0583.51000.0980.1020.0290.99712.712.214020638.6
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.052.121001.5671.6410.7490.7490.810.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE5TKV2.0583.5140066695099.7660.1980.19730.215948.089
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]
-0.5040.3960.107
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.989
r_dihedral_angle_4_deg13.855
r_dihedral_angle_3_deg13.548
r_dihedral_angle_1_deg6.082
r_lrange_it5.299
r_lrange_other5.178
r_mcangle_it2.134
r_mcangle_other2.134
r_scangle_it2.048
r_scangle_other2.048
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg33.989
r_dihedral_angle_4_deg13.855
r_dihedral_angle_3_deg13.548
r_dihedral_angle_1_deg6.082
r_lrange_it5.299
r_lrange_other5.178
r_mcangle_it2.134
r_mcangle_other2.134
r_scangle_it2.048
r_scangle_other2.048
r_angle_refined_deg1.239
r_mcbond_it1.226
r_mcbond_other1.226
r_scbond_it1.176
r_scbond_other1.176
r_angle_other_deg1.155
r_nbd_refined0.177
r_symmetry_nbd_other0.165
r_symmetry_nbd_refined0.158
r_nbd_other0.148
r_nbtor_refined0.147
r_xyhbond_nbd_refined0.139
r_symmetry_xyhbond_nbd_other0.126
r_symmetry_xyhbond_nbd_refined0.122
r_symmetry_nbtor_other0.069
r_metal_ion_refined0.068
r_chiral_restr0.053
r_bond_refined_d0.004
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8334
Nucleic Acid Atoms
Solvent Atoms548
Heterogen Atoms116

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing