3LX6

Crystal structure of putative dna cytosine methylase from shigella flexneri 2a str. 2457T


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.52980.1 M Hepes pH 7.5, 10% PEG 8K, 8% Ethylene Glycol, Vapor diffusion, Sitting drop, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.7254.78

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 122.957α = 90
b = 83.807β = 118.51
c = 113.236γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-11-05SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 24-ID-E0.9793APS24-ID-E

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
12.295096.80.08312.43.243909
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)
12.32.3498.20.3923.22226

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 DIFFRACTIONSADTHROUGHOUT2.2931.2643908221496.510.2450.2430.288RANDOM32.744
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]
0.470.850.020.33
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.229
r_dihedral_angle_4_deg21.051
r_dihedral_angle_3_deg17.408
r_dihedral_angle_1_deg6.118
r_scangle_it3.341
r_scbond_it2.09
r_angle_refined_deg1.463
r_mcangle_it1.356
r_mcbond_it0.733
r_chiral_restr0.1
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.229
r_dihedral_angle_4_deg21.051
r_dihedral_angle_3_deg17.408
r_dihedral_angle_1_deg6.118
r_scangle_it3.341
r_scbond_it2.09
r_angle_refined_deg1.463
r_mcangle_it1.356
r_mcbond_it0.733
r_chiral_restr0.1
r_bond_refined_d0.015
r_gen_planes_refined0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5806
Nucleic Acid Atoms
Solvent Atoms29
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection
HKL-2000data reduction
SHELXEmodel building
SHELXDphasing
PHENIXphasing