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Structure of human insulin in presence of urea at pH 7.0
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 7 291 2.5M NaCl, 4M urea, 100mM phosphate buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.44 49.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 100.24 α = 90 b = 60.15 β = 116.21 c = 62.92 γ = 90
Symmetry Space Group C 1 2 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 CCD MARMOSAIC 225 mm CCD 2006-01-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MAX II BEAMLINE I911-3 1.1 MAX II I911-3
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 1.7 50 92.1 0.034 13.75 2.1 37140 34195 29.6
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 1.7 1.75 63.8 0.169 4 1.8 3059
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 1.7 19.57 32471 1715 92.33 0.18558 0.18361 0.1835 0.22122 0.2211 RANDOM 27.228
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
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.496 r_dihedral_angle_3_deg 11.085 r_dihedral_angle_1_deg 5.692 r_dihedral_angle_4_deg 4.78 r_scangle_it 3.259 r_scbond_it 2.213 r_mcangle_it 1.527 r_angle_refined_deg 1.256 r_mcbond_it 0.933 r_nbtor_refined 0.307
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.496 r_dihedral_angle_3_deg 11.085 r_dihedral_angle_1_deg 5.692 r_dihedral_angle_4_deg 4.78 r_scangle_it 3.259 r_scbond_it 2.213 r_mcangle_it 1.527 r_angle_refined_deg 1.256 r_mcbond_it 0.933 r_nbtor_refined 0.307 r_symmetry_hbond_refined 0.233 r_nbd_refined 0.216 r_xyhbond_nbd_refined 0.178 r_symmetry_vdw_refined 0.172 r_metal_ion_refined 0.132 r_chiral_restr 0.109 r_bond_refined_d 0.012 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2332 Nucleic Acid Atoms Solvent Atoms 235 Heterogen Atoms 105
Software Software Software Name Purpose REFMAC refinement XDS data scaling XDS data reduction XSCALE data scaling MOLREP phasing