1YLJ

Atomic resolution structure of CTX-M-9 beta-lactamase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.5293ammonium sulfate, sodium acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 4.50
Crystal Properties
Matthews coefficientSolvent content
238.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 41.388α = 90
b = 62.236β = 90
c = 85.746γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4MIRRORS2004-02-12MSINGLE 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
10.982095.50.04317.89.8122971-3
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)
0.981.0271.70.3361.8

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 DIFFRACTIONMOLECULAR REPLACEMENTFREE RPDB ENTRY IYS0.9820112461112461593888.20.1080.1080.1080.129RANDOM
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
6618472437.79
RMS Deviations
KeyRefinement Restraint Deviation
s_zero_chiral_vol0.158
s_non_zero_chiral_vol0.111
s_approx_iso_adps0.047
s_angle_d0.033
s_anti_bump_dis_restr0.032
s_from_restr_planes0.03
s_similar_adp_cmpnt0.025
s_bond_d0.017
s_rigid_bond_adp_cmpnt0.002
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2106
Nucleic Acid Atoms
Solvent Atoms489
Heterogen Atoms88

Software

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