4MK4
S197C variant of human ferrochelatase.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| 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 | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.79 | 55.96 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 88.173 | α = 90 |
| b = 93.431 | β = 90 |
| c = 111.737 | 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 | 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 | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
|---|---|
| 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 | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5782 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 142 |
| Heterogen Atoms | 159 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
