2XW6

The Crystal Structure of Methylglyoxal Synthase from Thermus sp. GH5 Bound to Phosphate Ion.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH8277CRYSTALS WERE OBTAINED USING MICROBATCH METHOD AT 4C. CRYSTALLIZATION DROPS WERE MADE BY MIXING 2 MICROLITER OF A 7.8 MG/ML PROTEIN SOLUTION IN 50 MM TRIS-HCL, 300 MM NACL, 160 MM IMIDAZOLE AND 20% GLYCEROL WITH EQUAL AMOUNT OF CRYSTALLIZATION SOLUTION CONTAINING 0.1 M TRIS-HCL (PH 8.0), 29% W/V POLYETHYLENE GLYCOL (PEG) 4000.
Crystal Properties
Matthews coefficientSolvent content
2.1643.07

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.636α = 90
b = 115.172β = 90
c = 120.431γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC CCDMIRRORS2009-03-25MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSOLEIL BEAMLINE PROXIMA 1SOLEILPROXIMA 1

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
11.0842.296.60.05123.6156269
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)
11.081.1281.10.541.82.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUEPDB ENTRY 1WO81.0842.2148053780696.60.1290.1290.161RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
582925.643293.85
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.109
s_non_zero_chiral_vol0.093
s_zero_chiral_vol0.092
s_anti_bump_dis_restr0.083
s_similar_adp_cmpnt0.051
s_angle_d0.034
s_from_restr_planes0.03
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.006
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2903
Nucleic Acid Atoms
Solvent Atoms463
Heterogen Atoms15

Software

Software
Software NamePurpose
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing