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1.25A resolution crystal structure of human hemoglobin in the deoxy form
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1A3N
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 Batch 6.5 293 Ammonium sulfate, Ammonium phosphate, pH 6.5, Batch, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.23 44.85
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 63.105 α = 90 b = 82.914 β = 99.29 c = 53.65 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 298 CCD MAR CCD 165 mm Si(iii) 2005-07-25 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SPRING-8 BEAMLINE BL44B2 0.7000 SPring-8 BL44B2
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 1.25 25 97 0.067 6.3 2.7 145478
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) 1.25 1.32 93.8 0.465
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (All) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1A3N 1.25 20 145396 145396 0.179 0.1571 0.1569
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 s_non_zero_chiral_vol 0.071 s_zero_chiral_vol 0.06 s_from_restr_planes 0.0238 s_angle_d 0.02 s_anti_bump_dis_restr 0.019 s_bond_d 0.012
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4384 Nucleic Acid Atoms Solvent Atoms 221 Heterogen Atoms 172
Software Software Software Name Purpose MAR345 data collection MOSFLM data reduction X-PLOR model building SHELXL-97 refinement HKL-2000 data reduction SCALEPACK data scaling X-PLOR phasing