4O3N

Crystal structure of human dna polymerase eta in ternary complex with native dna and incoming nucleotide (dcp)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4ECQPDB ENTRY 4ECQ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.52910.1M MES pH 5.5, 5mM magnesium chloride, 15.5% PEG 2000 MME, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K
Crystal Properties
Matthews coefficientSolvent content
2.141.44

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 98.662α = 90
b = 98.662β = 90
c = 81.787γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2013-08-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 21-ID-D1.07810APS21-ID-D

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
11.5795099.90.0650.06537.3977.461922-3
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)
11.581.6199.90.90.92.2047.13076

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTPDB ENTRY 4ECQ1.57942.2421.346201061922313899.920.17240.17010.2153RANDOM
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
f_dihedral_angle_d20.189
f_angle_d1.816
f_chiral_restr0.09
f_bond_d0.019
f_plane_restr0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3366
Nucleic Acid Atoms389
Solvent Atoms475
Heterogen Atoms36

Software

Software
Software NamePurpose
MD2data collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling