X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 7 | TWO SLIGHTLY DIFFERENT CRYSTAL FORMS OF FAB 5G9 WERE OBTAINED USING 17.5% PEG 10K AT PH 8.5 AND 1.35M SODIUM CITRATE AT PH 5.5 AS PRECIPITANTS. THE TWO CRYSTAL FORMS ARE BOTH ORTHORHOMBIC, P212121, WITH TYPICAL SIZES OF 0.5 X 0.4 X 0.3 MM3 (CITRATE FORM) AND 0.6 X 0.35 X 0.2 MM3 (PEG FORM), WITH SLIGHTLY DIFFERENT CELL PARAMETERS OF A=89.1A, B=90.5A, C=59.3A (CITRATE) AND A=91.6A, B=93.7A, C=60.7A (PEG). PEG FORM IS USED FOR STRUCTURE DETERMINATION., pH 7.0 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.4 | 46 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 91.6 | α = 90 |
| b = 93.7 | β = 90 |
| c = 60.7 | 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 | 297 | AREA DETECTOR | SIEMENS | COLLIMATOR | 1992-03-21 | M | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | ELLIOTT GX-18 | |||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 2.38 | 37 | 90 | 0.075 | 20 | 4.5 | 19394 | 30 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 2.39 | 2.54 | 58.5 | 0.183 | 4 | 1.9 | ||||||||||||||
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 | MOLECULAR REPLACEMENT | A POSTERIORI | FABS: HYHEL5-5 AND MCPC603 | 2.5 | 8 | 16666 | 1643 | 92.4 | 0.217 | 0.217 | 0.304 | RANDOM | 10.2 | ||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| x_dihedral_angle_d | 28.5 |
| x_scangle_it | 10.32 |
| x_mcangle_it | 6.91 |
| x_scbond_it | 6.83 |
| x_mcbond_it | 4.28 |
| x_angle_deg | 2 |
| x_improper_angle_d | 1.67 |
| x_bond_d | 0.015 |
| x_bond_d_na | |
| x_bond_d_prot | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3305 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XENGEN | data collection |
| XENGEN | data reduction |
| X-PLOR | model building |
| X-PLOR | refinement |
| XENGEN | data scaling |
| X-PLOR | phasing |














