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CRYSTAL STRUCTURE OF A NON-PSYCHROPHILIC TRYPSIN FROM A COLD-ADAPTED FISH SPECIES.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3PTB PDB ENTRY 3PTB BOVINE TRYPSIN, WITH CORRECT AMINO ACID SEQUENCE SUPERIMPOSED ONTO ANIONIC SALMON TRYPSIN 2TBS. experimental model PDB 2TBS PDB ENTRY 3PTB BOVINE TRYPSIN, WITH CORRECT AMINO ACID SEQUENCE SUPERIMPOSED ONTO ANIONIC SALMON TRYPSIN 2TBS.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 4.6 pH 4.6
Crystal Properties Matthews coefficient Solvent content 2.2 44
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.907 α = 90 b = 83.107 β = 90 c = 154.787 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 295 IMAGE PLATE MARRESEARCH 1996-08-02 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM1A ESRF BM1A
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 1.7 28 81.2 0.123 3.6 5.9 76357 1 19.6
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 1.7 1.79 52.3 0.258 2.9 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 3PTB BOVINE TRYPSIN, WITH CORRECT AMINO ACID SEQUENCE SUPERIMPOSED ONTO ANIONIC SALMON TRYPSIN 2TBS. 1.7 8 3 68062 3866 73.061 0.173 0.173 0.1805 0.215 0.1765 RANDOM 22.93
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_dihedral_angle_d 26.35 x_angle_deg 2.697 x_improper_angle_d 1.087 x_bond_d 0.013 x_bond_d_na x_bond_d_prot x_angle_d x_angle_d_na x_angle_d_prot x_angle_deg_na
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 26.35 x_angle_deg 2.697 x_improper_angle_d 1.087 x_bond_d 0.013 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_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 6640 Nucleic Acid Atoms Solvent Atoms 379 Heterogen Atoms 87
Software Software Software Name Purpose DENZO data reduction XDS data scaling SCALA data scaling Agrovata data reduction CCP4 data reduction AMoRE phasing X-PLOR refinement XDS data reduction CCP4 data scaling