CRYSTAL STRUCTURE OF AN ARCHEASE, POSSIBLE CHAPERONE (TM1083) FROM THERMOTOGA MARITIMA AT 2.0 A RESOLUTION
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4.6 | 293 | 0.14 M CaCl2; 14 % isoprop; 0.07 M Acetate pH 4.6, 30 % Glycerol, VAPOR DIFFUSION, SITTING DROP, NANODROP, temperature 293K, pH 4.60 | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.93 | 57.74 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 105.28 | α = 90 |
| b = 105.28 | β = 90 |
| c = 105.28 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 43 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 | 100 | CCD | ADSC QUANTUM 315 | 2002-02-27 | M | MAD | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.925223, 0.978645, 0.979029 | SSRL | BL9-2 |
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 | 35.176 | 99.3 | 0.071 | 16.8 | 5.1 | 13851 | 32.5 | |||||||||||
| 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 | 2.11 | 98.4 | 0.277 | 4.9 | 4 | ||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | 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 | MAD | THROUGHOUT | 2 | 35.09 | 2 | 13890 | 13430 | 674 | 99 | 0.212 | 0.212 | 0.22 | 0.271 | 0.28 | RANDOM | 24.3 | |||
| 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 |
| c_scangle_it | 3.827 |
| c_scbond_it | 2.682 |
| c_mcangle_it | 2.005 |
| c_angle_deg | 1.54 |
| c_mcbond_it | 1.413 |
| c_bond_d | 0.011 |
| c_bond_d_na | |
| c_bond_d_prot | |
| c_angle_d | |
| c_angle_d_na | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1065 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 118 |
| Heterogen Atoms | 1 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| SCALA | data scaling |
| CCP4 | data reduction |
| CCP4 | model building |
| SOLVE | phasing |
| RESOLVE | model building |
| CNS | refinement |
| CCP4 | data scaling |
| CCP4 | phasing |
| RESOLVE | phasing |
