3MUZ

E.Coli (lacZ) beta-galactosidase (R599A) in complex with IPTG


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5288PEG8000, NaCl, MgCl2, DTT, Bis-Tris, pH6.5, HANGING DROP AT 288K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.6453.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 151.83α = 90
b = 163.28β = 90
c = 204.2γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210KOHZU: Double Crystal SI(111)2008-08-22MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.3.11.11587ALS8.3.1

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
11.912.4298.70.1169.36.055604513.9
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)
1.9297.70.6092.75.856045

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1DP01.912.425355940.2190.2190.248RANDOM22.74
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]
-2.132.68-0.54
RMS Deviations
KeyRefinement Restraint Deviation
x_torsion_deg25.5
x_angle_deg1.4
x_torsion_impr_deg0.98
x_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32476
Nucleic Acid Atoms
Solvent Atoms4108
Heterogen Atoms750

Software

Software
Software NamePurpose
CNSrefinement
ADSCdata collection
MOSFLMdata reduction
SCALAdata scaling
CNSphasing