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Crystal Structure of Scapharca inaequivalvis HbI, I114M Mutant in the Absence of ligand.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4SDH 4SDH (deoxy wild type HbI)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICROBATCH 8.5 296 Phosphate buffer, pH 8.5, Microbatch, temperature 296K
Crystal Properties Matthews coefficient Solvent content 2.3 46.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 91.82 α = 90 b = 44.49 β = 90 c = 143.93 γ = 90
Symmetry Space Group C 2 2 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 296 IMAGE PLATE RIGAKU RAXIS IIC Yale mirrors 2000-04-04 M SINGLE WAVELENGTH 2 1 x-ray 296 IMAGE PLATE RIGAKU RAXIS IIC Yale Mirrors 2000-04-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 1.5418 2 ROTATING ANODE RIGAKU RU200 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 1.9 40 94.8 0.069 11.2 2.2 22491 22491 1 1 15.9
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) 1.9 1.97 81.7 0.256 1909
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 (All) 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 4SDH (deoxy wild type HbI) 1.9 26.76 22491 22491 1773 94.7 0.187 0.171 0.171 0.1669 0.201 0.1966 RANDOM 18.1
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] 0.22 1.23 -1.46
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 18.2 c_scangle_it 4.92 c_scbond_it 3.61 c_mcangle_it 2.51 c_mcbond_it 2.05 c_angle_deg 1.3 c_improper_angle_d 1.2 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2232 Nucleic Acid Atoms Solvent Atoms 151 Heterogen Atoms 86
Software Software Software Name Purpose CNS refinement DENZO data reduction SCALEPACK data scaling CNS phasing