3WF3

Crystal structure of human beta-galactosidase mutant I51T in complex with Galactose


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.5277PEG 3350, Ammonium sulfate, HEPES, pH 7.5, vapor diffusion, sittingdrop, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6253.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 94.96α = 90
b = 115.888β = 92.23
c = 140.284γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDADSC QUANTUM 2702013-01-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NE3A1.0000Photon FactoryAR-NE3A

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
12.155096.40.15415.53.2160267
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)
12.152.1998.60.4783.53.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT3THC2.1527.3158881776596.380.19780.19550.2419RANDOM29.4081
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
r_dihedral_angle_2_deg36.642
r_dihedral_angle_4_deg20.092
r_dihedral_angle_3_deg15.301
r_dihedral_angle_1_deg7.154
r_angle_refined_deg1.7
r_angle_other_deg1.345
r_chiral_restr0.094
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.642
r_dihedral_angle_4_deg20.092
r_dihedral_angle_3_deg15.301
r_dihedral_angle_1_deg7.154
r_angle_refined_deg1.7
r_angle_other_deg1.345
r_chiral_restr0.094
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_bond_other_d0.002
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms19202
Nucleic Acid Atoms
Solvent Atoms1428
Heterogen Atoms348

Software

Software
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing