1JUV

Crystal structure analysis of Dihydrofolate reductase from Bacteriophage T4


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.1295NaCl, (NH4)2HPO4 , pH 8.1, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.4449.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.16α = 90
b = 61.16β = 90
c = 124.15γ = 90
Symmetry
Space GroupP 43 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100DIFFRACTOMETERWEISSENBERG2000-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE BL-6B1.0000Photon FactoryBL-6B

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
11.75099.70.068267142671421.7
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.71.7699.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMIRTHROUGHOUT1.743.572667526043257697.20.2480.2480.2270.269RANDOM25.9
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]
-1.94-1.943.87
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.5
c_scangle_it2.85
c_scbond_it2.02
c_mcangle_it1.87
c_angle_deg1.4
c_mcbond_it1.25
c_improper_angle_d0.84
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1531
Nucleic Acid Atoms
Solvent Atoms115
Heterogen Atoms48

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing