3L7R

crystal structure of MetE from streptococcus mutans


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.52930.2M Li2SO4, 0.1M HEPES, 25%(w/v) polyethylene glycerol 3350, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3146.76

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.913α = 90
b = 99.36β = 94.95
c = 77.448γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDBRUKER SMART 60002006-05-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEBRUKER AXS MICROSTAR1.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.39760.9892.723.29290063128325.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.42.5667.50.29085375

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (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 REPLACEMENT2NQ52.39745.3911.3428969144792.30.20350.20030.261830.07
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]
1.44.455-8.3666.966
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.054
f_angle_d0.743
f_chiral_restr0.05
f_bond_d0.004
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5617
Nucleic Acid Atoms
Solvent Atoms364
Heterogen Atoms18

Software

Software
Software NamePurpose
PROTEUM PLUSdata collection
MOLREPphasing
PHENIXrefinement
PROTEUM PLUSdata reduction
PROTEUM PLUSdata scaling