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Structure of human insulin in presence of urea at pH 6.5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other insulin hexamer R6 conformation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 291 2M NaCl, 3M urea, 100mM phosphate buffer, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 3.45 64.35
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 58.936 α = 90 b = 219.318 β = 90 c = 223.674 γ = 90
Symmetry Space Group C 2 2 21
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 MAR CCD 165 mm 2005-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MAX II BEAMLINE I911-2 1.0 MAX II I911-2
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 2.05 50 99.9 0.086 11.6 4.9 91370 91251 36.3
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 2.05 2.1 100 0.393 3.2 3.7 6331
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 insulin hexamer R6 conformation 2.05 28.31 86749 4536 99.95 0.18638 0.18428 0.1817 0.22714 0.2238 RANDOM 32.194
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 r_dihedral_angle_2_deg 37.437 r_dihedral_angle_3_deg 13.482 r_dihedral_angle_4_deg 10.967 r_dihedral_angle_1_deg 8.89 r_scangle_it 3.768 r_scbond_it 2.616 r_mcangle_it 1.862 r_angle_refined_deg 1.557 r_mcbond_it 1.21 r_symmetry_hbond_refined 0.34
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 37.437 r_dihedral_angle_3_deg 13.482 r_dihedral_angle_4_deg 10.967 r_dihedral_angle_1_deg 8.89 r_scangle_it 3.768 r_scbond_it 2.616 r_mcangle_it 1.862 r_angle_refined_deg 1.557 r_mcbond_it 1.21 r_symmetry_hbond_refined 0.34 r_nbtor_refined 0.306 r_xyhbond_nbd_refined 0.221 r_nbd_refined 0.218 r_symmetry_vdw_refined 0.209 r_metal_ion_refined 0.161 r_chiral_restr 0.142 r_bond_refined_d 0.016 r_gen_planes_refined 0.007
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7115 Nucleic Acid Atoms Solvent Atoms 628 Heterogen Atoms 204
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling MOLREP phasing