2DUL

Crystal structure of tRNA G26 methyltransferase Trm1 in apo form from Pyrococcus horikoshii


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP62930.1M MES buffer, 2M NaCl, 14% PEG 6000, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3146.71

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 74.909α = 90
b = 109.662β = 90
c = 96.676γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU JUPITER 2102006-05-18MSINGLE WAVELENGTH
21x-ray100CCDRIGAKU JUPITER 2102006-04-24MMAD
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B21.0SPring-8BL26B2
2SYNCHROTRONSPRING-8 BEAMLINE BL26B21.0718, 1.0712, 1.0539SPring-8BL26B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
1,21.9501000.05635.0931798-313.8
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)
1,21.91.971000.365.09

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 DIFFRACTIONMAD, MRTHROUGHOUT1.948.343170615781000.1950.1950.227RANDOM28.7
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]
-5.09-10.7115.79
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.7
c_angle_deg1.3
c_improper_angle_d0.78
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2938
Nucleic Acid Atoms
Solvent Atoms320
Heterogen Atoms6

Software

Software
Software NamePurpose
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
SOLVEphasing