2FMQ

Sodium in active site of DNA Polymerase Beta


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1BPYPDB Entry 1BPY

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529150 mM Imidazole, pH 7.5, 350 mM Sodium Acetate, 16 % PEG 3350 , VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.2344.89

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.8α = 90
b = 80.2β = 107.5
c = 55.3γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU RAXIS IVOsmic Mirrors2005-01-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

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
12.25095.30.0725.72144320569-329.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2897.23.85.421443

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB Entry 1BPY2.248.452144320569204795.30.20.190.190.242RANDOM32
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]
5.123.47-2.89-2.23
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.5
c_scangle_it2.82
c_scbond_it1.91
c_mcangle_it1.9
c_mcbond_it1.23
c_angle_deg1.1
c_improper_angle_d0.96
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2629
Nucleic Acid Atoms631
Solvent Atoms321
Heterogen Atoms32

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
CNSphasing