3I3D

E. COLI (lacZ) BETA-GALACTOSIDASE (M542A) IN COMPLEX WITH IPTG


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1DP0PDB entry 1DP0

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5288PEG 8000, NaCl, MgCl2, DTT, Bis-Tris, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K
Crystal Properties
Matthews coefficientSolvent content
2.6954.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 151.54α = 90
b = 162.39β = 90
c = 203.73γ = 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)2008-06-08MSINGLE 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)R Sym 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
12.261.9799.90.1520.189.16.8225340325340314.1

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 REPLACEMENTTHROUGHOUTPDB entry 1DP02.261.97253624253399362599.90.1850.1850.1850.2321.520.88
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]
-0.67-0.260.92
RMS Deviations
KeyRefinement Restraint Deviation
x_torsion_deg25.4
x_angle_deg1.4
x_torsion_impr_deg0.98
x_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32488
Nucleic Acid Atoms
Solvent Atoms3533
Heterogen Atoms716

Software

Software
Software NamePurpose
CNSrefinement
ADSCdata collection
MOSFLMdata reduction
SCALAdata scaling
CNSphasing