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Crystal structure of E44A/E56A mutant of cytochrome b5
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1M20
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 293 PHOSPHATE BUFFER, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties Matthews coefficient Solvent content 2.34 47.09
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 70.693 α = 90 b = 40.49 β = 111.43 c = 39.199 γ = 90
Symmetry Space Group C 1 2 1
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 MARRESEARCH 1997-12-05 M SINGLE WAVELENGTH 2 1 293 IMAGE PLATE MARRESEARCH 1999-04-03
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE 1.5418 2 SEALED TUBE 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 1.8 19.9 88.9 0.045 18.2 8616 18.3
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) 1.8 1.86 56.3 0.228
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-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 1M20 1.8 19.9 8616 915 88.9 0.193 0.193 0.232 0.2366 RANDOM 25.1
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] 6.63 -1 -2.81 -3.82
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_scangle_it 3.99 c_scbond_it 2.58 c_mcangle_it 2.07 c_mcbond_it 1.4 c_angle_deg 1.2 c_improper_angle_d 1.1 c_bond_d 0.01 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.3 c_scangle_it 3.99 c_scbond_it 2.58 c_mcangle_it 2.07 c_mcbond_it 1.4 c_angle_deg 1.2 c_improper_angle_d 1.1 c_bond_d 0.01 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 662 Nucleic Acid Atoms Solvent Atoms 91 Heterogen Atoms 43
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement CNS phasing