1JYV

E. COLI (lacZ) BETA-GALACTOSIDASE (E537Q) IN COMPLEX WITH ONPG


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5288BIS-TRIS, PEG 8000, MGCL(2), NACL, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP at 288K, pH 6.50
Crystal Properties
Matthews coefficientSolvent content
2.755

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 149.492α = 90
b = 167.455β = 90
c = 200.341γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray125CCDADSC QUANTUM 42001-02-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-21.00SSRLBL9-2

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
11.7529.998.10.0479349176649176616.2
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)
1.75940.282.6

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1DP01.7529.9491766491766715198.10.180.24RANDOM24.7
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]
-3.35.5-2.2
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d17.5
t_pseud_angle15.8
t_it4.9
t_angle_deg2.83
t_nbd0.085
t_gen_planes0.019
t_bond_d0.017
t_trig_c_planes0.017
t_incorr_chiral_ct
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32512
Nucleic Acid Atoms
Solvent Atoms4081
Heterogen Atoms629

Software

Software
Software NamePurpose
TNTrefinement
DENZOdata reduction
SCALEPACKdata scaling
TNTphasing