1EG2

CRYSTAL STRUCTURE OF RHODOBACTER SPHEROIDES (N6 ADENOSINE) METHYLTRANSFERASE (M.RSRI)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.62911.5 M Li2SO4, 0.1 M HEPES, 0.5% NaAzide, 10 mM EDTA, pH 7.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.1643.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.42α = 90
b = 130.253β = 90
c = 67.284γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDBRANDEIS1998-06-05MSINGLE WAVELENGTH
2193CCD3x3 mosaic in house1998-08-14
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12CNSLSX12C
2SYNCHROTRONAPS BEAMLINE 19-IDAPS19-ID

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
11.735.3394.20.03513.25.61881656833918.9
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)
11.751.8193.90.2422.62281

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTION1.7535.2123164631393314099.20.2140.25random 10% pick using make_cv.inp of CNS.
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
c_torsion_deg22.9
c_angle_deg1.3
c_torsion_impr_deg0.73
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2146
Nucleic Acid Atoms
Solvent Atoms227
Heterogen Atoms20

Software

Software
Software NamePurpose
XTALdata collection
SCALEPACKdata scaling
SOLVEphasing
SHARPphasing
CNSrefinement
MARMADdata reduction
DENZOdata reduction