3MGG

Crystal Structure of Methyl Transferase from Methanosarcina mazei


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.52980.1 M sodium acetate, 25% Peg 3350, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.4650.04

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.805α = 90
b = 56.019β = 90
c = 234.607γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rMirrors2010-03-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X29A0.9789NSLSX29A

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
11.865084.10.18.912.9445424454212.8
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)
1.861.9375.90.65312.13943

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSADTHROUGHOUT1.8645.544454242306214079.90.2140.2140.239RANDOM22.9
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]
1.324.43-5.75
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.6
c_scangle_it3.44
c_scbond_it2.27
c_mcangle_it1.86
c_angle_deg1.3
c_mcbond_it1.26
c_improper_angle_d0.86
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3926
Nucleic Acid Atoms
Solvent Atoms312
Heterogen Atoms

Software

Software
Software NamePurpose
CBASSdata collection
SHELXmodel building
SHARPphasing
CNSrefinement
HKL-2000data reduction
SCALEPACKdata scaling
SHELXphasing