X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1HOW | PDB code 1HOW |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4.5 | 298 | 1.5M (NH4)2SO4, 100mM Na Acetate pH 4.5, 15% Ethylene Glycol. Crystals then dialyzed into 30% PEG 400 and 100mM Na Acetate pH 4.5, hanging drop, crystals soaked into low salt buffer, temperature 298.0K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.55 | 51.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 72.99 | α = 90 |
| b = 88.701 | β = 90 |
| c = 135.6 | 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 | 94 | CCD | SBC-2 | 2002-06-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 19-ID | 1.54 | APS | 19-ID |
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 | 2.35 | 20 | 91.6 | 0.067 | 10.3 | 37306 | 34172 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 2.35 | 2.43 | 85.6 | |||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | PDB code 1HOW | 2.35 | 20 | 37319 | 34172 | 1424 | 91.6 | 0.221 | 0.23 | 0.259 | 0.23 | ||||||||
| 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] | |
| -10.814 | 5.444 | 5.37 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| c_scangle_it | 2.869 |
| c_mcangle_it | 2.224 |
| c_scbond_it | 1.92 |
| c_angle_deg | 1.33 |
| c_mcbond_it | 1.324 |
| c_bond_d | 0.007 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 5788 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 137 |
| Heterogen Atoms | 18 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| CNS | refinement |
| SCALEPACK | data scaling |
| XTALVIEW | refinement |
| HKL-2000 | data collection |
| HKL-2000 | data reduction |
