X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 8 | 1.3 M SODIUM CITRATE, 0.1 M GLYCINE AT PH 8.0 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.9 | 58 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 112.44 | α = 90 |
| b = 112.44 | β = 90 |
| c = 112.44 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 4 3 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 103 | IMAGE PLATE | MARRESEARCH | BENT CRYSTAL MONOCHROMATOR | 1997-04-26 | M | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE X11 | EMBL/DESY, HAMBURG | X11 | |
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 | 1.4 | 26.5 | 99.9 | 0.047 | 25 | 14.5 | 24157 | ||||||||||||
| 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) | |||||||||||
| 1.4 | 1.5 | 100 | 0.511 | 3.42 | 10.6 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | ANOMALOUS DISPERSION TO FIND THE TWO FE ATOMS USING 2.3 ANGSTROM CU ROTATING ANODE/MULTIWIRE DATA. THE REMAINING ATOMS WERE THEN FOUND BY ROTATING A FRAGMENT (FROM ENTRY 1FXL) ABOUT THE IRON ATOMS TO MINIMIZE THE CORRELATION COEFFICIENT BETWEEN F(OBS) AND F(CALC). | FREE R | 1.4 | 10 | 24070 | 1202 | 99.9 | 0.1466 | 0.1464 | 0.15 | 0.1811 | 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 3 | 647 | 796 |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_approx_iso_adps | 0.098 |
| s_zero_chiral_vol | 0.066 |
| s_non_zero_chiral_vol | 0.063 |
| s_anti_bump_dis_restr | 0.056 |
| s_similar_adp_cmpnt | 0.054 |
| s_angle_d | 0.03 |
| s_from_restr_planes | 0.029 |
| s_bond_d | 0.012 |
| s_rigid_bond_adp_cmpnt | 0.004 |
| s_similar_dist | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 708 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 126 |
| Heterogen Atoms | 4 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELXL-97 | model building |
| SHELXL-97 | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SHELXL-97 | phasing |
