4DUV

E. coli (lacZ) beta-galactosidase (G974A) 2-deoxy-galactosyl-enzyme and bis-Tris complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.528810% PEG 8000, 100 MM BIS-TRIS, 200 MM MGCL2, 100 MM NACL, 10 MM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K
Crystal Properties
Matthews coefficientSolvent content
2.6653.72

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 150.57α = 90
b = 167.731β = 90
c = 201.64γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152007-08-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCLSI BEAMLINE 08B1-11.11589CLSI08B1-1

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
12.12001000.1112.77.6295878295878
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)
12.12.211000.4823.87.6

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUT1JYX2.186.4129147829147842671000.159110.158430.2064RANDOM31.263
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]
-0.441.68-1.24
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.755
r_dihedral_angle_4_deg14.719
r_dihedral_angle_3_deg12.599
r_dihedral_angle_1_deg6.141
r_scangle_it5.843
r_scbond_it4.335
r_mcangle_it2.971
r_mcbond_it2.052
r_angle_refined_deg1.064
r_chiral_restr0.072
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.755
r_dihedral_angle_4_deg14.719
r_dihedral_angle_3_deg12.599
r_dihedral_angle_1_deg6.141
r_scangle_it5.843
r_scbond_it4.335
r_mcangle_it2.971
r_mcbond_it2.052
r_angle_refined_deg1.064
r_chiral_restr0.072
r_bond_refined_d0.007
r_gen_planes_refined0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32732
Nucleic Acid Atoms
Solvent Atoms4018
Heterogen Atoms481

Software

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