4OKP

Crystal structure of AmpC beta-lactamase in complex with the product form of 7-amino-desacetoxycephalosporanic acid


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.62931.7 M POTASSIUM PHOSPHATE, pH 8.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5150.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 118.12α = 90
b = 76.49β = 115.85
c = 97.62γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80CCDADSC QUANTUM 315r2012-02-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.115869ALS8.3.1

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
11.373098.7163866161772-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.371.4597.4

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (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 REPLACEMENT1.3729.2841.99161759620398.840.14370.14280.1645
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]
1.9126-1.1171-2.43370.5211
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.476
f_angle_d1.126
f_chiral_restr0.07
f_plane_restr0.006
f_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5463
Nucleic Acid Atoms
Solvent Atoms812
Heterogen Atoms25

Software

Software
Software NamePurpose
ADSCdata collection
PHENIXrefinement
XDSdata reduction
XDSdata scaling