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Interaction of the peptide CF3-LEU-ALA-NH-C6H4-CF3(TFLA) with porcine pancreatic elastase. X-ray studies at 1.8 Angstroms
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2EST ELASTASE COMPLEXED WITH A TRIFLUOROACETYL DIPEPTIDE INHIBITOR, (PDB ENTRY 2EST)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.7 10% DMF SOLUTION BUFFERED AT PH 5.7 WITH ACETATE
Crystal Properties Matthews coefficient Solvent content 2.15 42.88
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.53 α = 90 b = 57.47 β = 90 c = 75.26 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
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION ELASTASE COMPLEXED WITH A TRIFLUOROACETYL DIPEPTIDE INHIBITOR, (PDB ENTRY 2EST) 1.8 0.19
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 x_angle_deg 2 x_bond_d 0.02 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d
RMS Deviations Key Refinement Restraint Deviation x_angle_deg 2 x_bond_d 0.02 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na x_angle_deg_prot x_dihedral_angle_d x_dihedral_angle_d_na x_dihedral_angle_d_prot x_improper_angle_d x_improper_angle_d_na x_improper_angle_d_prot x_mcbond_it x_mcangle_it x_scbond_it x_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1822 Nucleic Acid Atoms Solvent Atoms 103 Heterogen Atoms 61
Software Software Software Name Purpose X-PLOR refinement