1BDU

E. COLI THYMIDYLATE SYNTHASE COMPLEXED WITH DURD


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TJSPDB ENTRY 1TJS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.8CRYSTALLIZATION EXPERIMENTS WERE CONDUCTED IN HANGING DROPS CONTAINING 4.2 MG/ML E. COLI TS, 0.38 MM DURD, 3.8 MM DTT, AND 1.2 M (NH4)2SO4, AT PH 7.8 (20 MM KPO4) SUSPENDED OVER A WELL SOLUTION CONTAINING 2.4 M (NH4)2SO4 AND 1.0 MM DTT., vapor diffusion - hanging drop
Crystal Properties
Matthews coefficientSolvent content
3.358.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 133.05α = 90
b = 133.05β = 90
c = 133.05γ = 90
Symmetry
Space GroupI 21 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATERIGAKU1996-11-16M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.150950.0860.0869.56.72293918.1
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.1689.20.3430.3433.42.5

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 DIFFRACTIONDIFFERENCE FOURIERTHROUGHOUTPDB ENTRY 1TJS2.1821366211594.70.1810.1810.237SHELLS23.9
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
x_dihedral_angle_d25.3
x_scangle_it8.02
x_scbond_it5.9
x_mcangle_it4.35
x_mcbond_it3.32
x_angle_deg3
x_improper_angle_d1.21
x_bond_d0.013
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d25.3
x_scangle_it8.02
x_scbond_it5.9
x_mcangle_it4.35
x_mcbond_it3.32
x_angle_deg3
x_improper_angle_d1.21
x_bond_d0.013
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2153
Nucleic Acid Atoms
Solvent Atoms75
Heterogen Atoms21

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing