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High resolution structure of bovine alpha-chymotrypsin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5CHA PDB ENTRY 5CHA molecule B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 4.2 298 PEG 1500, Ammonium sulphate, citrate, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.05 39.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 43.83 α = 90 b = 77.51 β = 106.3 c = 62.77 γ = 90
Symmetry Space Group P 1 21 1
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 MARRESEARCH triagular horizontal focusing Si (111) monochromator and bent mirror 1997-11-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.91 EMBL/DESY, HAMBURG X11
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 1.34 28.6 97.1 0.047 19.6 2.9 87580 87580 15.1
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) 1.34 1.41 95.9 0.434 2.1 2.3 11767
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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 5CHA molecule B 1.34 28.6 87580 87580 4391 97.1 0.139 0.139 0.1423 0.189 0.153 RANDOM 19.7
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_transverse_tor 22.2 p_staggered_tor 12.3 p_planar_tor 5.1 p_scangle_it 4.022 p_mcangle_it 3.33 p_scbond_it 3.038 p_mcbond_it 2.531 p_multtor_nbd 0.235 p_singtor_nbd 0.157 p_chiral_restr 0.094
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 22.2 p_staggered_tor 12.3 p_planar_tor 5.1 p_scangle_it 4.022 p_mcangle_it 3.33 p_scbond_it 3.038 p_mcbond_it 2.531 p_multtor_nbd 0.235 p_singtor_nbd 0.157 p_chiral_restr 0.094 p_planar_d 0.038 p_angle_d 0.034 p_plane_restr 0.027 p_bond_d 0.014 p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3657 Nucleic Acid Atoms Solvent Atoms 606 Heterogen Atoms 25
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing REFMAC refinement