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Monoclinic crystal form of Aspergillus niger alpha-amylase in complex with maltose at 1.8 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 296 30% PEG 6000, 0.1M ammonium sulphate, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 296K
Crystal Properties Matthews coefficient Solvent content 2.3 46.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.451 α = 90 b = 101.149 β = 103.89 c = 75.185 γ = 90
Symmetry Space Group P 1 21 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 210 2005-12-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID29 0.97910 ESRF ID29
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 1.8 72.987 96.6 0.104 0.104 5.8 7 84823 84823
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 1.8 1.9 95 0.578 0.578 1.3 6.8 12098
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 MOLECULAR REPLACEMENT THROUGHOUT 1.8 20 84733 84733 4244 96.46 0.165 0.165 0.162 0.1658 0.21 0.2128 RANDOM 26.8
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] -0.06 -0.32 2.21 -2.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.408 r_dihedral_angle_3_deg 14.648 r_dihedral_angle_4_deg 9.206 r_dihedral_angle_1_deg 6.301 r_scangle_it 2.25 r_mcangle_it 1.981 r_angle_refined_deg 1.674 r_scbond_it 1.65 r_mcbond_it 1.387 r_nbtor_refined 0.323
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.408 r_dihedral_angle_3_deg 14.648 r_dihedral_angle_4_deg 9.206 r_dihedral_angle_1_deg 6.301 r_scangle_it 2.25 r_mcangle_it 1.981 r_angle_refined_deg 1.674 r_scbond_it 1.65 r_mcbond_it 1.387 r_nbtor_refined 0.323 r_nbd_refined 0.217 r_symmetry_hbond_refined 0.199 r_symmetry_vdw_refined 0.187 r_xyhbond_nbd_refined 0.184 r_chiral_restr 0.119 r_metal_ion_refined 0.039 r_bond_refined_d 0.018 r_gen_planes_refined 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7372 Nucleic Acid Atoms Solvent Atoms 751 Heterogen Atoms 168
Software Software Software Name Purpose SCALA data scaling PHASER phasing REFMAC refinement PDB_EXTRACT data extraction ProDC data collection CCP4 data scaling