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Crystal structure of Thermus thermophilus A4 beta-galactosidase in complex with galactose
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 298 PEG8000, sodium acetate trihydrate, sodium cacodirate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.43 49.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 97.592 α = 90 b = 97.592 β = 90 c = 128.898 γ = 120
Symmetry Space Group P 3 2 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD ADSC QUANTUM 4 2001-04-12 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B 1.0000 Photon Factory BL-18B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.2 28.62 99.9 0.082 0.082 8.3 5.3 36638 36622 -3 -3 16.7
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 100 0.325 0.325 2.4 5.3 5275
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.2 28.62 36658 36622 1817 99.9 0.171 0.169 0.169 0.1668 0.2 0.1633 RANDOM 28.2
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] -6.46 -3.11 -6.46 12.91
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 4.08 c_scbond_it 3 c_mcangle_it 2.48 c_mcbond_it 1.75 c_improper_angle_d 1.66 c_angle_deg 1.3 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.5 c_scangle_it 4.08 c_scbond_it 3 c_mcangle_it 2.48 c_mcbond_it 1.75 c_improper_angle_d 1.66 c_angle_deg 1.3 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5162 Nucleic Acid Atoms Solvent Atoms 306 Heterogen Atoms 38
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling SOLVE phasing CNS refinement CCP4 data scaling