☰ Navigation Tabs
The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase from Aeromonas proteolytica Complexed with Tris: A Tale of Buffer Inhibition
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AMP PDB ENTRY 1AMP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 295 Tris, potassium thiocyanate, sodium chloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.52 51.18
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 108.338 α = 90 b = 108.338 β = 90 c = 93.519 γ = 120
Symmetry Space Group P 61 2 2
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 2000-02-11 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 14-BM-C 1.0000 APS 14-BM-C
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 0.94 27.08 88.4 15 89053 89053
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 0.94 1.25 98
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT PDB ENTRY 1AMP 1.2 27.08 89053 89053 9943 0.154 0.145 0.158 0.198 RANDOM
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 Key Refinement Restraint Deviation s_zero_chiral_vol 0.082 s_anti_bump_dis_restr 0.08 s_angle_d 0.032 s_from_restr_planes 0.0289 s_bond_d 0.018
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2251 Nucleic Acid Atoms Solvent Atoms 348 Heterogen Atoms 14
Software Software Software Name Purpose SHELXL-97 refinement SCALEPACK data scaling CNS refinement DENZO data reduction CNS phasing