X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | fiber seeding using cryshed initial crystals as seeds | 7 | 9% (W/V) 1M AMMONIUM PHOSPHATE, PH 6.0, AND 92% OF A 10% (W/V) SOLUTION OF PEG 6000 IN 50MM HEPES (PH 7.0). LARGE CRYSTALS (0.2 X 0.2 X 0.5 MM) WERE GROWN BY FIBER SEEDING, USING CRUSHED INITIAL CRYSTALS AS SEEDS., fiber seeding using cryshed initial crystals as seeds | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.21 | 44.4 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 71.18 | α = 90 |
| b = 79.38 | β = 90 |
| c = 93.81 | 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 | 120 | CCD | ADSC QUANTUM | SLITS | 1997-12-28 | M | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL1-5 | SSRL | BL1-5 | |
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 | 1.57 | 96.6 | 0.0569 | 9.6 | 4.1 | 72263 | |||||||||||||
| 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) | |||||||||||
| 1.57 | 1.6 | 90.3 | 0.345 | 2.05 | 2.8 | ||||||||||||||
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 (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | COMBINED MIR (SIRAS) AND MAD INITIAL REFINEMENT WITH REFMAC AND X-PLOR. FINAL REFINEMENT WITH SHELXL. | THROUGHOUT | 1.57 | 22.5 | 72263 | 7306 | 96.6 | 0.1867 | 0.1785 | 0.1729 | 0.2618 | 0.2484 | 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 |
| 4082.4 | ||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_approx_iso_adps | 0.086 |
| s_similar_adp_cmpnt | 0.058 |
| s_non_zero_chiral_vol | 0.048 |
| s_zero_chiral_vol | 0.035 |
| s_from_restr_planes | 0.028 |
| s_angle_d | 0.025 |
| s_anti_bump_dis_restr | 0.014 |
| s_bond_d | 0.008 |
| s_rigid_bond_adp_cmpnt | 0.007 |
| s_similar_dist | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3657 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 424 |
| Heterogen Atoms | 2 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| SCALA | data scaling |
| SHELXL-97 | model building |
| SOLVE | phasing |
| SHELXL-97 | refinement |
| CCP4 | data scaling |
| SHELXL-97 | phasing |
