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STRUCTURAL EFFECTS INDUCED BY REMOVAL OF A DISULFIDE BRIDGE. THE X-RAY STRUCTURE OF THE C30A(SLASH)C51A MUTANT OF BASIC PANCREATIC TRYPSIN INHIBITOR AT 1.6 ANGSTROMS
Crystallization Crystal Properties Matthews coefficient Solvent content 1.93 36.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.36 α = 90 b = 23.26 β = 90 c = 28.88 γ = 90
Symmetry Space Group P 21 21 21
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION 1.6 8 2 5510 0.17
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_scangle_it 5.231 p_scbond_it 3.518 p_mcangle_it 3.077 p_mcbond_it 2.194 p_chiral_restr 0.159 p_planar_d 0.07 p_angle_d 0.06 p_bond_d 0.02 p_plane_restr 0.02 p_angle_deg
RMS Deviations Key Refinement Restraint Deviation p_scangle_it 5.231 p_scbond_it 3.518 p_mcangle_it 3.077 p_mcbond_it 2.194 p_chiral_restr 0.159 p_planar_d 0.07 p_angle_d 0.06 p_bond_d 0.02 p_plane_restr 0.02 p_angle_deg p_hb_or_metal_coord 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 462 Nucleic Acid Atoms Solvent Atoms 70 Heterogen Atoms 5
Software Software Software Name Purpose PROLSQ refinement