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Crystal structure of human ferrochelatase mutant with His 341 replaced by Cys
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HRK
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 291 CRYSTALS WERE GROWN BY HANGING DROP VAPOR DIFFUSION USING 2 MICROLITER DROPS CONTAINING EQUAL VOLUMES OF PROTEIN SOLUTION (45 MG/ML IN 50 MM TRIS MOPS, 0.1M KCL, 1% NA- CHOLATE, 250 MM IMIDAZOLE, PH 8.1) AND PRECIPITANT SOLUTION (0.1 M HEPES PH 7.5, 0.2 M AMMONIUM SULFATE, 34% PEG 400, 0.1 M SODIUM PHOSPHATE)., pH 7.50, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.77 55.64
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 94.049 α = 90 b = 87.608 β = 90 c = 110.632 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 RIGAKU BLUE CONFOCAL 2001-06-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 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 2.2 50 0.068 41766
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION DIFFERENCE FOURIER THROUGHOUT 1HRK 2.2 18.08 41001 2051 87.8 0.21 0.21 0.245 RANDOM
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] 5.626 2.117 -7.743
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.2 c_angle_deg 1.21 c_improper_angle_d 0.9 c_bond_d 0.006 c_mcbond_it c_mcangle_it c_scbond_it c_scangle_it
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5704 Nucleic Acid Atoms Solvent Atoms 426 Heterogen Atoms 182
Software Software Software Name Purpose CrystalClear data collection CNS refinement DENZO data reduction SCALEPACK data scaling