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X-RAY CRYSTALLOGRAPHIC DETERMINATION OF A COLLAGEN-LIKE PEPTIDE WITH THE REPEATING SEQUENCE (PRO-PRO-GLY)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model Other IDEALIZED SEVEN-FOLD TRIPLE-HELIX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 PEPTIDE WAS CRYSTALLIZED FROM 4.0 MG/ML PEPTIDE IN 10% ACETIC ACID, 0.1% SODIUM AZIDE, AND 3.0% PEG400.
Crystal Properties Matthews coefficient Solvent content 1.95 36.82
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 26.82 α = 90 b = 26.29 β = 90 c = 20.18 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 259 DIFFRACTOMETER ENRAF-NONIUS FAST 1991-10-19 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1
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 1.97 99.5 1136
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1.97 2.2 98
Refinement Statistics Diffraction ID Structure Solution 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT IDEALIZED SEVEN-FOLD TRIPLE-HELIX 1.97 8 2 861 76.7 0.181 0.181 0.2019 15.9
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_improper_angle_d 2.11 x_angle_deg 2.07 x_bond_d 0.01 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
RMS Deviations Key Refinement Restraint Deviation x_improper_angle_d 2.11 x_angle_deg 2.07 x_bond_d 0.01 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_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 126 Nucleic Acid Atoms Solvent Atoms 45 Heterogen Atoms
Software Software Software Name Purpose X-PLOR model building LALS refinement MOLEN data reduction X-PLOR phasing X-PLOR refinement