1XC6

Native Structure Of Beta-Galactosidase from Penicillium sp. in complex with Galactose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP429115% PEG 8000, 50 MM Sodium Phosphate (Iodide ions were incorporated into the crystal by Quick Cryo Soaking technique at room temperature), pH 4.0, Vapor Diffusion, Hanging Drop, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
4.572.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 110.96α = 90
b = 110.96β = 90
c = 161.05γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCH2000-01-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX11.54LNLSD03B-MX1

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
12.123.499.90.10712.54.22240362240363.1
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)
12.12.151000.4813.14.2

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMIR2.123.43.1224189223921224999.90.17090.1859RANDOM22.63
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]
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d25.53768
c_angle_deg1.33821
c_improper_angle_d0.76966
c_bond_d0.005435
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7484
Nucleic Acid Atoms
Solvent Atoms952
Heterogen Atoms458

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SHARPphasing
CNSrefinement