3ISC

Binary complex of human DNA polymerase beta with an abasic site (THF) in the gapped DNA


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1BPXPDB entry 1BPX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529150 mM Imidazole pH 7.5, 350 mM Sodium acetate, 18% PEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.448.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.41α = 90
b = 79.3β = 105.8
c = 54.95γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 92Viramax2007-04-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.5418

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
125098.80.0619.23.73009030090-312.8
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)
22.0795.40.18261.72876

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1BPX221.813009029317291596.40.1860.1860.227RANDOM25.6
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]
0.671.321.27-1.94
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.3
c_scangle_it3.04
c_mcangle_it2.18
c_scbond_it2.04
c_mcbond_it1.41
c_angle_deg1.1
c_improper_angle_d0.94
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2638
Nucleic Acid Atoms621
Solvent Atoms511
Heterogen Atoms4

Software

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