2P74

CTX-M-9 class A beta-lactamase apo crystal structure at 0.88 Angstrom resolution


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.8293potassium phosphate, pH 8.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.0138.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.162α = 90
b = 106.796β = 102.09
c = 47.785γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4mirrors2005-04-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.10.800ALS8.3.1

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
10.882288.90.03218.15.5349567310765-3
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)
0.880.9180.60.3262.12.128059

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 1YLJ0.88103494952977701280185.20.10.10.10.1139RANDOM
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
2013805.054834.64
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.112
s_zero_chiral_vol0.111
s_approx_iso_adps0.091
s_anti_bump_dis_restr0.054
s_similar_adp_cmpnt0.04
s_from_restr_planes0.0384
s_angle_d0.032
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8679
Nucleic Acid Atoms
Solvent Atoms1001
Heterogen Atoms37

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
HKL-2000data collection
DENZOdata reduction
SCALEPACKdata scaling
SHELXphasing