4MKJ

Crystal structure of L-methionine gamma-lyase from Citrobacter freundii modified by allicine


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2RFV 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.53035% MMEPEG 2000, 50MM TRIS-HCl, 0.2MM PLP, 0.25% DTT, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 303.0K
Crystal Properties
Matthews coefficientSolvent content
2.5651.93

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 56.44α = 90
b = 122.67β = 90
c = 128.28γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-05-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.10.8943BESSY14.1

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
11.853599.290.06722.86.1382753827519.6
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)
11.851.9595.550.521.55.95350

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2RFV1.84932.073826338263190899.240.15710.15520.1931random 5%24.088
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
f_dihedral_angle_d14.998
f_angle_d1.15
f_chiral_restr0.073
f_bond_d0.007
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2959
Nucleic Acid Atoms
Solvent Atoms260
Heterogen Atoms37

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
PHENIXrefinement
PROCESSdata reduction
SCALAdata scaling