Room temperature serial crystal structure of CTX-M-15 class A beta-lactamase, drop on fixed target from PAL-XFEL, 80 ms mixed with avibactam


X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7BH6 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2922.0 M ammonium sulphate, 0.1 M Tris 8.0, with crystal seed
Crystal Properties
Matthews coefficientSolvent content
2.1843.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.256α = 90
b = 45.871β = 90
c = 118.642γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298CCDRAYONIX MX225-HS2024-06-26MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERPAL-XFEL BEAMLINE NCI1.304197PAL-XFELNCI

Serial Crystallography

Sample delivery method
Diffraction IDDescriptionSample Delivery Method
1silicon 'Oxford' chipfixed target
Fixed Target
Diffraction IDDescriptionSample HoldingSupport BaseMotion controlDetails Sample Solvent
1drop on fixed target
Data Reduction
Diffraction IDFrames IndexedCrystal HitsFrames IndexedLatices Merged
1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)R Split (All)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
11.559.331000.9270.1563.56952.864041317.59
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)R Split (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.51.52591000.3950.7570.75918.56

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISFREE R-VALUE1.559.321.3440350200599.840.16120.15950.15870.19520.194523.95
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_d13.4374
f_angle_d1.0093
f_chiral_restr0.0567
f_plane_restr0.0105
f_bond_d0.0082
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1943
Nucleic Acid Atoms
Solvent Atoms197
Heterogen Atoms24

Software

Software
Software NamePurpose
PHENIXrefinement
DIALSdata reduction
DIALSdata scaling
PHENIXphasing