1JYW

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


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5288Bis-Tris, PEG 8000, MgCl2, 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 = 149.68α = 90
b = 168.6β = 90
c = 201.09γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 41999-07-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.8984SSRLBL9-2

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
11.5528.898.30.042102.771552571552514.1
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)
1.5595.80.284

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 REPLACEMENTTHROUGHOUT1DP01.5528.87155257155251046398.30.180.229RANDOM21
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]
-0.91.8-0.9
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d17.3
t_pseud_angle14.1
t_it7.4
t_angle_deg2.91
t_nbd0.09
t_gen_planes0.021
t_bond_d0.02
t_trig_c_planes0.018
t_incorr_chiral_ct
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32511
Nucleic Acid Atoms
Solvent Atoms4462
Heterogen Atoms551

Software

Software
Software NamePurpose
TNTrefinement
DENZOdata reduction
SCALEPACKdata scaling
TNTphasing