3GEX
1.6 angstrom crystal structure of fluorescent protein Cypet
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 8.5 | 293 | 30% PEG 4000, 0.1M Tris-HCl pH 8.5, 0.2M Lithium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.08 | 40.99 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 50.907 | α = 90 |
| b = 63.011 | β = 90 |
| c = 71.424 | 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 | IMAGE PLATE | MAR scanner 345 mm plate | 2008-12-05 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 | 1.5418 | ||
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 | 1.6 | 50 | 91.1 | 0.039 | 16.7 | 2.3 | 31080 | 28302 | 2 | 2 | |||||||||
| 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) | |||||||||||
| 1.6 | 1.66 | 59.1 | 0.23 | 3.2 | 1.8 | 1825 | |||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1QYO | 1.6 | 20.41 | 25452 | 2848 | 91.16 | 0.19683 | 0.19324 | 0.22881 | RANDOM | 20.199 | ||||||
| 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] | |
| -0.98 | -1.16 | 2.14 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 32.131 |
| r_dihedral_angle_3_deg | 12.043 |
| r_dihedral_angle_4_deg | 11.1 |
| r_dihedral_angle_1_deg | 6.222 |
| r_scangle_it | 1.55 |
| r_mcangle_it | 1.502 |
| r_angle_refined_deg | 1.309 |
| r_scbond_it | 1.013 |
| r_mcbond_it | 0.939 |
| r_nbtor_refined | 0.317 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1907 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 180 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| MOLREP | phasing |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
