1MPG

3-METHYLADENINE DNA GLYCOSYLASE II FROM ESCHERICHIA COLI


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.5PROTEIN WAS CRYSTALLIZED FROM 4% PEG 8000, 50 MM NACL, 10 MM TRIS-CL (PH 7.5), 7.5 MM KPO4 (PH 5.9),0.1 MM EDTA, 1.5 MM DITHIOTHREITOL
Crystal Properties
Matthews coefficientSolvent content
2.0138.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.08α = 90
b = 75.77β = 109.94
c = 60.92γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMIRRORS1995-10-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEELLIOTT GX-13

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
11.83099.80.0510.051207.5459711
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)
11.81.8699.50.1330.133126.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMAD, SIRASTHROUGHOUT1.830145059454198.70.1940.1940.247RANDOM
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]
3.892.153.672.32
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d22
x_scangle_it4.36
x_scbond_it3.02
x_mcangle_it2.23
x_angle_deg1.79
x_mcbond_it1.54
x_improper_angle_d1.19
x_bond_d0.011
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d22
x_scangle_it4.36
x_scbond_it3.02
x_mcangle_it2.23
x_angle_deg1.79
x_mcbond_it1.54
x_improper_angle_d1.19
x_bond_d0.011
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4406
Nucleic Acid Atoms
Solvent Atoms334
Heterogen Atoms12

Software

Software
Software NamePurpose
MLPHAREphasing
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling