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Crystal structure determination of pigeon (columba livia) haemoglobin at 3.5 angstrom resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1A4F PDB ENTRY 1A4F
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 293 VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.85 56.84
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 82.061 α = 90 b = 82.061 β = 90 c = 106.095 γ = 90
Symmetry Space Group P 42 21 2
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 293 IMAGE PLATE MAR scanner 345 mm plate Mirrors M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER AXS MICROSTAR 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.5 30 96.2 0.2346 1.8 6.01 7172 4263 2.3 1
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 3.5 3.63 99.2 0.3389 0.7 6.14
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION PHASER THROUGHOUT PDB ENTRY 1A4F 3.5 27.99 4263 4263 444 95.57 0.24327 0.23605 0.2416 0.31199 0.2625 RANDOM 21.5
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] 0.04 0.04 -0.09
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.584 r_dihedral_angle_3_deg 21.31 r_dihedral_angle_4_deg 6.559 r_dihedral_angle_1_deg 6.233 r_scangle_it 1.497 r_angle_refined_deg 1.415 r_scbond_it 0.824 r_mcangle_it 0.822 r_mcbond_it 0.437 r_chiral_restr 0.092
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.584 r_dihedral_angle_3_deg 21.31 r_dihedral_angle_4_deg 6.559 r_dihedral_angle_1_deg 6.233 r_scangle_it 1.497 r_angle_refined_deg 1.415 r_scbond_it 0.824 r_mcangle_it 0.822 r_mcbond_it 0.437 r_chiral_restr 0.092 r_bond_refined_d 0.011 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2213 Nucleic Acid Atoms Solvent Atoms 2 Heterogen Atoms 86
Software Software Software Name Purpose MAR345dtb data collection PHASER phasing REFMAC refinement AUTOMAR data reduction SCALEPACK data scaling