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High resolution structure of the manganese derivative of insulin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EXX pdb entry 3EXX
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.4 291 The protein solution consisted of 7.5 mg mL-1 of zinc-free insulin in 0.02 mol L-1 hydrochloric acid.
The reservoir solution was at pH 6.4 containing 1mM sodium citrate, volume fraction of aceton 10 % ,9 mmol L-1 manganese(II) sulphate monohydrate and redistilled water, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 1.86 33.94
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 81.7 α = 90 b = 81.7 β = 90 c = 33.73 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 CCD MARRESEARCH M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ELETTRA BEAMLINE 5.2R 1 ELETTRA 5.2R
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1 10.48 96.7 0.089 0.089 11 2.7 43875
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-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT pdb entry 3EXX 1.08 10.28 33568 1770 98.16 0.16114 0.15939 0.1523 0.19447 0.1848 RANDOM 8.583
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] -0.01 -0.01 -0.01 0.02
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.271 r_sphericity_free 32.994 r_dihedral_angle_3_deg 11.804 r_sphericity_bonded 10.263 r_dihedral_angle_4_deg 8.663 r_rigid_bond_restr 8.047 r_dihedral_angle_1_deg 6.986 r_angle_refined_deg 2.42 r_angle_other_deg 1.313 r_chiral_restr 0.159
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.271 r_sphericity_free 32.994 r_dihedral_angle_3_deg 11.804 r_sphericity_bonded 10.263 r_dihedral_angle_4_deg 8.663 r_rigid_bond_restr 8.047 r_dihedral_angle_1_deg 6.986 r_angle_refined_deg 2.42 r_angle_other_deg 1.313 r_chiral_restr 0.159 r_bond_refined_d 0.027 r_gen_planes_refined 0.012 r_bond_other_d 0.003 r_gen_planes_other 0.002
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 810 Nucleic Acid Atoms Solvent Atoms 190 Heterogen Atoms 3
Software Software Software Name Purpose AMoRE phasing REFMAC refinement MOSFLM data reduction SCALA data scaling