6C79

Conformational Changes in a Class A Beta lactamase that Prime it for Catalysis


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE6.129310 mg/ml protein in a solution containing 2.0 M ammonium sulfate and 0.1 M sodium citrate (pH 6.1)
Crystal Properties
Matthews coefficientSolvent content
2.6954.32

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.72α = 90
b = 72.72β = 90
c = 98.944γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDADSC QUANTUM 315r2015-01-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.97APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (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
11.136.3692.70.0630.036.34114156
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.11.1690.40.470.321.53

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONFREE R-VALUE1.136.3611415692.70.14430.1642
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1960
Nucleic Acid Atoms
Solvent Atoms333
Heterogen Atoms50

Software

Software
Software NamePurpose
SHELXLrefinement
XDSdata reduction
SCALAdata scaling