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THE X-RAY STRUCTURE OF FERRIC-BETA4 HUMAN HEMOGLOBIN
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1CBM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 293 The crystals used in the diffraction experiments were obtained with a protein concentration of 8 mg/ml, at pH 7.0. The composition of the reservoir solution was 2.5 M ammonium sulphate and 0.26 M sodium phosphate buffer at pH 7.0.
Crystal Properties Matthews coefficient Solvent content 2.13 42.16
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 52.7 α = 90 b = 82.1 β = 91.3 c = 62.5 γ = 90
Symmetry Space Group P 1 21 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 RIGAKU SATURN 944 mirrors 2011-04-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 1.5418
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 2.1 62.48 96.1 0.091 20.6 2.9 31016
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.1 2.16
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 FREE R-VALUE 1CBM 2.1 62.48 28271 1494 95.94 0.20748 0.20436 0.2109 0.26546 0.2649 RANDOM 26.432
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
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.692 r_dihedral_angle_3_deg 18.738 r_dihedral_angle_4_deg 11.18 r_dihedral_angle_1_deg 6.888 r_long_range_B_refined 5.696 r_long_range_B_other 5.53 r_scangle_other 3.674 r_mcangle_it 3.346 r_mcangle_other 3.346 r_scbond_other 2.428
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.692 r_dihedral_angle_3_deg 18.738 r_dihedral_angle_4_deg 11.18 r_dihedral_angle_1_deg 6.888 r_long_range_B_refined 5.696 r_long_range_B_other 5.53 r_scangle_other 3.674 r_mcangle_it 3.346 r_mcangle_other 3.346 r_scbond_other 2.428 r_scbond_it 2.427 r_mcbond_it 2.23 r_mcbond_other 2.229 r_angle_refined_deg 1.94 r_angle_other_deg 1.115 r_chiral_restr 0.125 r_bond_refined_d 0.018 r_gen_planes_refined 0.01 r_gen_planes_other 0.006 r_bond_other_d 0.002 r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4492 Nucleic Acid Atoms Solvent Atoms 251 Heterogen Atoms 172
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling AMoRE phasing