Structural analysis of protein folding by the Methanococcus jannaschii chaperone FKBP26
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | hanging drop | 298 | 15% PMME550, 100NaCl, pH 100 mM BICINE, pH 9.0, hanging drop, temperature 298K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.59 | 52.48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 55.532 | α = 90 |
| b = 65.199 | β = 90 |
| c = 148.616 | 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 | 100 | CCD | 2000-07-01 | M | MAD | |||||||
| 2 | 1 | x-ray | 100 | M | SINGLE WAVELENGTH | |||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSLS BEAMLINE X4A | NSLS | X4A | |
| 2 | SYNCHROTRON | NSLS BEAMLINE X4A | NSLS | X4A | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.2 | 19.84 | 25822 | ||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | 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 | 2.2 | 19.84 | 24476 | 1314 | 100 | 0.2289 | 0.2265 | 0.22 | 0.2736 | 0.27 | RANDOM | 43.025 | |||||
| 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] | |
| 2.1 | -0.49 | -1.61 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.952 |
| r_dihedral_angle_3_deg | 16.197 |
| r_dihedral_angle_4_deg | 8.078 |
| r_dihedral_angle_1_deg | 5.498 |
| r_scangle_it | 3.705 |
| r_scbond_it | 2.131 |
| r_mcangle_it | 1.488 |
| r_angle_refined_deg | 1.283 |
| r_mcbond_it | 0.784 |
| r_chiral_restr | 0.08 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3507 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 179 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| SOLVE | phasing |
| RESOLVE | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |














