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The crystal structure of the P1 mutant (Leu to Arg)of a Winged bean chymotrypsin inhibitor(Kunitz)solved at 2.15A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EYL
Crystallization Crystal Properties Matthews coefficient Solvent content 2.48 52.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.57 α = 90 b = 99.57 β = 90 c = 37.261 γ = 120
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 Osmic MaxFlux 2004-06-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 2.15 15 11202 29.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1EYL 2.15 14.93 11202 577 95.8 0.199 0.199 0.236 RANDOM 45.9
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] 5.79 3.75 5.79 -11.58
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.7 c_scangle_it 5.91 c_mcangle_it 4.83 c_scbond_it 3.52 c_mcbond_it 2.81 c_angle_deg 1.7 c_improper_angle_d 0.92 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1399 Nucleic Acid Atoms Solvent Atoms 190 Heterogen Atoms
Software Software Software Name Purpose CNS refinement MAR345 data collection SCALEPACK data scaling AMoRE phasing