Crystal structure of the chromophore-binding domain of an unusual bacteriophytochrome RpBphP3 from R. palustris
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1ZTU | modified PDB entry 1ZTU |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 293 | protein concentration of 12mg/ml in 100 mM tri-sodium citrate pH 5.6, 6% isopropanol (v/v), and 7% PEG 4000 (w/v), VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.39 | 63.67 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 151.866 | α = 90 |
| b = 151.866 | β = 90 |
| c = 75.996 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 3 2 1 |
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 | 2006-02-22 | M | SINGLE WAVELENGTH | ||||||
| 2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315 | 2006-02-09 | M | SINGLE WAVELENGTH | ||||||
| 1,2 | 1 | |||||||||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 14-BM-C | 0.9 | APS | 14-BM-C |
| 2 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97 | APS | 19-ID |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.1 | 50 | 99.3 | 0.077 | 10.7 | 13.9 | 59009 | 58049 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
| 1,2 | 2.1 | 2.18 | 100 | 11 | |||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | modified PDB entry 1ZTU | 2.2 | 49.75 | 51388 | 43956 | 3595 | 93.29 | 0.19157 | 0.18828 | 0.19 | 0.23102 | 0.23 | RANDOM | 47.92 | |||
| 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] | |
| 2.38 | 1.19 | 2.38 | -3.56 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 34.836 |
| r_dihedral_angle_4_deg | 18.399 |
| r_dihedral_angle_3_deg | 16.567 |
| r_dihedral_angle_1_deg | 6.508 |
| r_scangle_it | 2.671 |
| r_scbond_it | 1.965 |
| r_angle_refined_deg | 1.579 |
| r_mcangle_it | 1.235 |
| r_mcbond_it | 1.075 |
| r_angle_other_deg | 0.982 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4731 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 215 |
| Heterogen Atoms | 86 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| PHASER | phasing |
| RESOLVE | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| 14BMC | data collection |
| HKL-2000 | data reduction |














