8TJK

SAM-dependent methyltransferase RedM bound to SAH


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52930.09 M ammonium sulphate, 0.05 M BisTris-HCl pH 6.5, 30 % pentaerythritol ethoxylate (15/4_EO/OH)
Crystal Properties
Matthews coefficientSolvent content
2.1342.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.833α = 90
b = 71.902β = 90
c = 144.841γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2018-07-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.9796SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
11.8538.0599.70.0680.070.0190.99915.413.15578037.93
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.851.8998.41.7031.7720.4850.731.213.1

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-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.8538.051.3355631199399.60.19810.1970.228645.45
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_d12.8328
f_angle_d0.7478
f_chiral_restr0.0459
f_plane_restr0.0063
f_bond_d0.0047
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4676
Nucleic Acid Atoms
Solvent Atoms345
Heterogen Atoms63

Software

Software
Software NamePurpose
PHENIXrefinement
Blu-Icedata collection
XDSdata reduction
Aimlessdata scaling
PHASERphasing
PHENIXmodel building