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THE CRYSTAL STRUCTURE AND PROPOSED AMINO ACID SEQUENCE OF A PEPSIN FROM ATLANTIC COD (GADUS MORHUA)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5PEP PDB ENTRY 5PEP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 5.4 7.5 % 2-PROPANOL, 100 MM SODIUM ACETATE PH 5.4
Crystal Properties Matthews coefficient Solvent content 2.15 43
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.98 α = 90 b = 75.4 β = 90 c = 108.1 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 291 DIFFRACTOMETER ENRAF-NONIUS FAST COLLIMATOR 1995-10-10 M
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 BRUKER NONIUS
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.16 20 83.7 0.066 10.8 2.7 13687 1 22.3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.16 2.28 41.4 0.221 3.5 1.4
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-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB ENTRY 5PEP 2.16 8 3 13315 0.208 0.2066 0.224 RANDOM 17.22
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 p_chiral_restr 0.196 p_planar_d 0.091 p_angle_d 0.071 p_bond_d 0.02 p_angle_deg p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it
RMS Deviations Key Refinement Restraint Deviation p_chiral_restr 0.196 p_planar_d 0.091 p_angle_d 0.071 p_bond_d 0.02 p_angle_deg p_hb_or_metal_coord p_mcbond_it p_mcangle_it p_scbond_it p_scangle_it p_plane_restr p_singtor_nbd p_multtor_nbd p_xhyhbond_nbd p_xyhbond_nbd p_planar_tor p_staggered_tor p_orthonormal_tor p_transverse_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2395 Nucleic Acid Atoms Solvent Atoms 161 Heterogen Atoms
Software Software Software Name Purpose MADNES data collection CCP4 data reduction X-PLOR model building PROLSQ refinement X-PLOR refinement MADNES data reduction CCP4 data scaling X-PLOR phasing