3T09

E. coli (LacZ) beta-galactosidase (S796A) galactonolactone complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52888-10% PEG 8000, 100 MM BIS-TRIS, 200 MM MGCL2, 100 MM NACL, 10 MM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288.0K
Crystal Properties
Matthews coefficientSolvent content
2.5752.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 126.881α = 90
b = 151.197β = 103.05
c = 131.808γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 210KOHZU: Double Crystal SI(111)MSINGLE 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
11.75128.4910.0737.91.944587144587119
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.751.847021.749579

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1.75128.4422829422829222221000.217020.217020.215040.25429RANDOM SELECTION24.046
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]
-0.7-0.9-0.330.62
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.002
r_dihedral_angle_4_deg13.29
r_dihedral_angle_3_deg12.532
r_dihedral_angle_1_deg5.991
r_scangle_it5.65
r_scbond_it4.223
r_mcangle_it3.104
r_mcbond_it2.327
r_angle_refined_deg1.052
r_chiral_restr0.073
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.002
r_dihedral_angle_4_deg13.29
r_dihedral_angle_3_deg12.532
r_dihedral_angle_1_deg5.991
r_scangle_it5.65
r_scbond_it4.223
r_mcangle_it3.104
r_mcbond_it2.327
r_angle_refined_deg1.052
r_chiral_restr0.073
r_bond_refined_d0.007
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32624
Nucleic Acid Atoms
Solvent Atoms4311
Heterogen Atoms503

Software

Software
Software NamePurpose
REFMACrefinement
CNSrefinement
ADSCdata collection
MOSFLMdata reduction
SCALAdata scaling
CNSphasing