X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8294A protein solution (8 mg/ml 4,5-OAM, 5 mM 2-mercaptoethanol, 10 mM Tris HCl pH 8.0, 2 mM PLP, and 2 mM AdoCbl) was mixed in a 1:1 ratio with precipitant solution [(0.1 M Tris HCl, pH 8.0, 0.2 M MgCl2, 25% (wt/vol) polyethylene glycol 2000 mono-methylether] under red light at room temperature, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Crystal Properties
Matthews coefficientSolvent content
2.3447.53

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.52α = 90
b = 233.22β = 103.43
c = 124.14γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-04-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I021.072DiamondI02

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
12.656698.910.0820.1089.31000999900811
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)
12.652.799.650.4132.4

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESIS2.860.3731.3684502426493.750.18850.1850.253836.032
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]
0.08-0.10.17-0.3
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d21.197
f_angle_d1.44
f_chiral_restr0.118
f_bond_d0.009
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms26084
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms532

Software

Software
Software NamePurpose
PHENIXrefinement
PHASERphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
DNAdata collection