1YLY

X-ray crystallographic structure of CTX-M-9 beta-lactamase complexed with ceftazidime-like boronic acid


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1YLJ 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.8293potassium phosphate, pH 8.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 8.80
Crystal Properties
Matthews coefficientSolvent content
1.727.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.182α = 90
b = 106.845β = 101.9
c = 47.882γ = 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 8.3.1ALS8.3.1

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
11.252292.70.03415.95.22113478-3
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)
1.251.2976.90.2592.13

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIOFREE R1YLJ1.2522107782107782563788.10.1290.1290.1290.168RANDOM
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
783767.974751.18
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.051
s_non_zero_chiral_vol0.047
s_zero_chiral_vol0.04
s_from_restr_planes0.036
s_angle_d0.02
s_similar_adp_cmpnt0.014
s_anti_bump_dis_restr0.012
s_bond_d0.005
s_similar_dist
s_rigid_bond_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4213
Nucleic Acid Atoms
Solvent Atoms868
Heterogen Atoms54

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
SHELXphasing