1YMX

X-ray crystallographic structure of CTX-M-9 beta-lactamase covalently linked to cefoxitin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION8.8293potassium phosphate, pH 8.8, VAPOR DIFFUSION, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0238.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.209α = 90
b = 106.781β = 101.62
c = 47.779γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4mirrors2004-07-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.11587ALS8.3.1

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
11.73099.80.06213.25.448520-312.7
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)
1.71.7699.80.3413.054843

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 REPLACEMENTTHROUGHOUT1YLJ1.719.754852046883236196.20.1580.1580.197RANDOM14.8
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]
-0.992.02-0.471.46
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.5
c_scangle_it2.86
c_scbond_it1.94
c_mcangle_it1.66
c_angle_deg1.6
c_improper_angle_d1.17
c_mcbond_it1.15
c_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3933
Nucleic Acid Atoms
Solvent Atoms647
Heterogen Atoms96

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing