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Crystal Structure of Glu121Gln mutant of E. coli Aminopeptidase N
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2HPO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 5.8 298 1.0M ammonium sulfate, 50mM Hepes, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 3.55 65.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 120.764 α = 90 b = 120.764 β = 90 c = 170.844 γ = 120
Symmetry Space Group P 31 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 315 mirror 2007-05-05 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.2.1 1.0000 ALS 8.2.1
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 2.15 50 100 0.082 25.5 6.3 151714 151714 1 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.15 2.23 100
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 THROUGHOUT 2HPO 2.15 49.33 74863 3962 99.98 0.15372 0.15194 0.1527 0.18717 0.1874 RANDOM 19.388
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 r_dihedral_angle_2_deg 36.348 r_dihedral_angle_4_deg 17.572 r_dihedral_angle_3_deg 13.642 r_dihedral_angle_1_deg 5.888 r_scangle_it 4.154 r_scbond_it 2.659 r_mcangle_it 1.468 r_angle_refined_deg 1.427 r_mcbond_it 0.972 r_nbtor_refined 0.299
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.348 r_dihedral_angle_4_deg 17.572 r_dihedral_angle_3_deg 13.642 r_dihedral_angle_1_deg 5.888 r_scangle_it 4.154 r_scbond_it 2.659 r_mcangle_it 1.468 r_angle_refined_deg 1.427 r_mcbond_it 0.972 r_nbtor_refined 0.299 r_symmetry_vdw_refined 0.209 r_nbd_refined 0.198 r_xyhbond_nbd_refined 0.164 r_symmetry_hbond_refined 0.162 r_chiral_restr 0.102 r_bond_refined_d 0.016 r_gen_planes_refined 0.006 r_metal_ion_refined 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6940 Nucleic Acid Atoms Solvent Atoms 752 Heterogen Atoms 65
Software Software Software Name Purpose ADSC data collection REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling REFMAC phasing