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Crystal structure of maltohexaose-producing amylase complexed with pseudo-maltononaose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1WP6 PDB ENTRY 1WP6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 298 MPD, TrisHCl, Ammonium Phosphate, Calcium Chloride, Sodium Chloride, Acarbose, Maltotriose, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.1 41.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 47.41 α = 90 b = 82.49 β = 90 c = 126.88 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 95 CCD ADSC QUANTUM 210 2003-06-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON PHOTON FACTORY BEAMLINE AR-NW12A 1.000 Photon Factory AR-NW12A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 1.9 50 98.8 0.053 39906 39475 27.9 13.8
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.94 98.8 0.106
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) 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 PDB ENTRY 1WP6 1.9 6 2 36914 3698 95.7 0.172 0.172 0.1747 0.207 0.2056 RANDOM 23.7
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] 12.77 0.35 -13.12
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_angle_deg 1.2 c_improper_angle_d 0.73 c_bond_d 0.005 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 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3893 Nucleic Acid Atoms Solvent Atoms 324 Heterogen Atoms 148
Software Software Software Name Purpose CNS refinement HKL-2000 data reduction HKL-2000 data scaling CNS phasing