3PML

crystal structure of a polymerase lambda variant with a dGTP analog opposite a templating T


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5277.1M NaCl, 0.1M Hepes pH 7.5 and 10%PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.856

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.038α = 90
b = 191.57β = 90
c = 59.084γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2008-06-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.65099.90.0710.67.1346363463624424924424953.1
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)
2.62.6999.90.5723.573424

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT2.625.0233162161195.60.2330.2330.271RANDOM
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
c_dihedral_angle_d21.5
c_angle_deg1.2
c_improper_angle_d0.95
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5018
Nucleic Acid Atoms850
Solvent Atoms168
Heterogen Atoms69

Software

Software
Software NamePurpose
MAR345data collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing