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Crystal structure of Pseudomonas aerginosa alkaline protease complexed with Substance P(1-6)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AKL
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 5.6 293 33% PEG20000, 0.1M acetate buffer, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.31 46.87
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 78.4 α = 90 b = 79.72 β = 90 c = 149 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 100 IMAGE PLATE RIGAKU RAXIS IV++ 2007-12-21 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.5418
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 38.51 98.2 0.096 6.4 2.36 63706
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 2 2.07 98.3 0.369 2.4 2.25 6359
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1AKL 2 38.51 53607 2885 88.54 0.21214 0.21146 0.22485 0.2254 RANDOM 22.168
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] 0.09 0.01 -0.1
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.824 r_dihedral_angle_3_deg 12.28 r_dihedral_angle_4_deg 8.137 r_dihedral_angle_1_deg 4.781 r_angle_refined_deg 0.843 r_scangle_it 0.408 r_scbond_it 0.242 r_mcangle_it 0.221 r_mcbond_it 0.119 r_chiral_restr 0.055
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.824 r_dihedral_angle_3_deg 12.28 r_dihedral_angle_4_deg 8.137 r_dihedral_angle_1_deg 4.781 r_angle_refined_deg 0.843 r_scangle_it 0.408 r_scbond_it 0.242 r_mcangle_it 0.221 r_mcbond_it 0.119 r_chiral_restr 0.055 r_bond_refined_d 0.005 r_gen_planes_refined 0.003 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7083 Nucleic Acid Atoms Solvent Atoms 263 Heterogen Atoms 18
Software Software Software Name Purpose CrystalClear data collection MOLREP phasing REFMAC refinement CrystalClear data reduction CrystalClear data scaling