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Crystalline Human Carbonmonoxy Hemoglobin C Exhibits The R2 Quaternary State at Neutral pH In The Presence of Polyethylene Glycol: The 2.1 Angstrom Resolution Crystal Structure
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1BBB PDB ENTRY 1BBB
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.1 298 21% Polyethylene glycol, 0.150M HEPES-Na, chloride anion traces, pH 7.1, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.23 44.47
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56 α = 90 b = 58.7 β = 90 c = 175.2 γ = 90
Symmetry Space Group P 21 21 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 IMAGE PLATE RIGAKU RAXIS IV 2001-06-27 M SINGLE WAVELENGTH 2 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV 2001-11-28 M SINGLE WAVELENGTH 3 1 x-ray 100 IMAGE PLATE RIGAKU RAXIS IV 2001-11-30 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418 2 ROTATING ANODE RIGAKU 1.5418 3 ROTATING ANODE RIGAKU 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 1,2,3 2.1 20 90 0.081 11.1 20.1 32840 31220 0.1
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) 2.1 2.17 56.9 0.306 1.4 1.54 1935
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1BBB 2.1 8 2 30567 28245 1423 83.36 0.231 0.2605 0.269 RANDOM 51.72
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] -1.093 -2.437 3.531
RMS Deviations Key Refinement Restraint Deviation x_dihedral_angle_d 22.06 x_scangle_it 7 x_mcangle_it 5 x_scbond_it 3 x_mcbond_it 2.5 x_improper_angle_d 1.858 x_angle_deg 1.764 x_bond_d 0.013
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4384 Nucleic Acid Atoms Solvent Atoms 437 Heterogen Atoms 180
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling X-PLOR model building X-PLOR refinement X-PLOR phasing