4MK4
S197C variant of human ferrochelatase.
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | EVAPORATION | 6.5 | 0.1M BIS-TRIS, 0.05M AMMONIUM ACETATE, PENTAERYTHRITOL ETHOXYLATE(15/4 EO/OH), pH 6.5, EVAPORATION |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.79 | 55.96 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 88.173 | α = 90 |
b = 93.431 | β = 90 |
c = 111.737 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | IMAGE PLATE | MAR scanner 300 mm plate | 2009-09-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-BM | APS | 22-BM |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.5 | 60 | 93.9 | 30619 | 2 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.5 | 60 | 32604 | 29077 | 1563 | 94.2 | 0.223 | 0.221 | 0.277 | RANDOM | 36.98 |
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] | |
-2.03 | -0.98 | 3.01 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.915 |
r_dihedral_angle_4_deg | 19.997 |
r_dihedral_angle_3_deg | 18.175 |
r_dihedral_angle_1_deg | 6.257 |
r_scangle_it | 3.446 |
r_scbond_it | 2.132 |
r_angle_refined_deg | 1.802 |
r_mcangle_it | 1.488 |
r_mcbond_it | 0.792 |
r_chiral_restr | 0.115 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5782 |
Nucleic Acid Atoms | |
Solvent Atoms | 142 |
Heterogen Atoms | 159 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |